Answer:
Only early Earth was intensely bombarded by large rocks and ice from space.
Explanation:
Primitive Earth was hit several times by meteors, meteorites, rocks and ice from space. The impact of these bombings was very intense and it modified the entire structure and resources of the earth, besides harming life in general. The extinction of the dinosaurs was a result of this bombardment, for example, but there were many mass extinctions whenever one of these elements hit the planet. Another result was the modification of environmental conditions, which were very different from what we know today.
A 1.0-Kg ball is thrown into the air with an initial velocity of 30. m/s. a. How much kinetic energy does the ball have?
Answer:
450 J
Explanation:
The formula to use is K = 1/2mv²
[] The mass of our ball is 1 kg
-> The velocity of our ball is 30 m/s
K = 1/2mv²
K = 1/2(1)(30)²
K = 1/2(900)
K = 150 J
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What Makes a Good Experiment? Understanding Experimental Design Now look at data from all seven birds to see if the overall pattern is similar to the conclusion based only on Bird A. Click each of the other birds (B-C) to see each individual's result in the graph. As you add results to the graph, the average time difference, in seconds, between the two cone types (spines present versus spines removed) is updated. Q1.9. Based on results from all seven birds, what is the average foraging time difference between cones with spines present and cones with no spines? seconds Check Answer Q1.10. How would the researchers' experiment have been different if they had used only data from Bird A (and not all 7 birds)? In both cases, foraging time was longer for cones with spines versus for cones without spines, so the overall result and conclusion would have been the same. The foraging time difference for Bird A (0.5 seconds) was so small as to be unimportant. The researchers could have entirely misinterpreted the function of cone spines. Because the foraging time difference based on Bird A was very small compared to that based on seven birds, the researchers would have been less convinced that cone spines affect seed predators. Check Answer You may have deduced that Coffey and colleagues' experiment included more than one level of replication. to discover more Click the link 12/16 usion based only on Bird A add results to the graph, the average time moved) is updated difference between cones with spines 11 10 Average Difference (s) 2.4 had used only data from Bird A (and not all 7 Mean Foraging Time (s) Reset ones without spines, so the overall result and D be unimportant. The researchers could have entirely 0 ompared to that based on seven birds, the researchers Spines Removed Spines Present ded more than one level of replication. Click the link Sin Section 1: What Makes a Good Experiment? Understanding Experimental Design Q1.9. Based on results from all seven birds, what is the average foraging time difference between cones with spines present and cones with no spines? seconds Check Answer Q1.10. How would the researchers' experiment have been different if they had used only data from Bird A (and not all 7 birds)? In both cases, foraging time was longer for cones with spines versus for cones without spines, so the overall result and conclusion would have been the same. The foraging time difference for Bird A (0.5 seconds) was so small as to be unimportant. The researchers could have entirely misinterpreted the function of cone spines. Because the foraging time difference pased on Bird A was very small compared to that based on seven birds, the researchers would have been less convinced that cone spines affect seed predators. Mean Form Check Answer You may have deduced that Coffey and colleagues 12 11 10 Average Difference (s) 9 Mean Foraging Time (s) 0.5 8 A A Reset 5 Spines Present Spines Removed
The elements that make a good experiment include a controlled setting, a large enough sample size, consistent measurements, randomization of treatments, replication of experiments, independent variable control, and statistical analysis.
A good experiment involves isolating a variable to observe the effect on an outcome. In response to the question, "Based on results from all seven birds, what is the average foraging time difference between cones with spines present and cones with no spines?", the answer is given below. The average foraging time difference between cones with spines present and cones with no spines is 1.1 seconds.
If the researchers had used only data from Bird A and not all 7 birds, the conclusion and overall result would have been the same since foraging time was longer for cones with spines as compared to cones without spines. The foraging time difference for Birds A was so small as to be unimportant. In both cases, foraging time was longer for cones with spines versus for cones without spines, so the overall result and conclusion would have been the same. The foraging time difference for Birds A (0.5 seconds) was so small as to be unimportant.
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Why do different substances have different properties? Support your answer with evidence from the text.
Answer:
Different substances have different properties because they are made up of different types of atoms or molecules, which interact with each other in unique ways. For example, the properties of water are very different from those of sulfuric acid, because water is made up of hydrogen and oxygen atoms, while sulfuric acid is made up of sulfur, hydrogen, and oxygen atoms.
The properties of a substance are determined by various factors, such as the type and number of atoms or molecules in the substance, their arrangement, and the strength of the chemical bonds between them. For example, the strength of the bonds between the atoms in a substance determines its melting and boiling points, while the arrangement of the atoms or molecules determines its crystalline structure.
Moreover, the electrons in the atoms or molecules play a crucial role in determining the properties of a substance. The way in which the electrons are distributed around the atoms or molecules affects their reactivity, polarity, and other characteristics. For instance, substances that contain polar bonds tend to have different physical and chemical properties from those that have non-polar bonds.
In conclusion, the unique combination of atoms or molecules, their arrangement, and the strength and nature of the chemical bonds between them, as well as the distribution of electrons, are the main factors that determine the properties of different substances.
Explanation:
Explain the water cycle below! There is no starting point, but, please start describing the cycle from the Ocean.
How are the plate boundaries in Iceland and Chile similar? How are they different?
The way that plate boundaries in Iceland and Chile similar is that both are have volcanoes and Earthquakes. The way that they are different is that Iceland is one that lies in the Mid-Atlantic Ridge while that of Chile is in the convergent plate boundary.
What type of plate boundary is the island of Iceland?Iceland is situated on the Mid Atlantic Ridge, a divergent plate boundary where the Eurasian Plate and North American Plate are moving apart. Magma or molten rock rises to the surface and erupts as lava to form new ocean crust as the plates separate.
Two tectonic plates can diverge from one another, creating a border. As magma rises from the Earth's mantle to the surface and solidifies to form new oceanic crust, earthquakes frequently occur along these boundaries.
Chile is located on top of the South American tectonic plate, along with the other nations of the continent. The Nazca Plate joins the Pacific Plate at a divergent plate boundary known as the East Pacific Rise to the west of Chile. This region is beneath the Pacific Ocean.
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Need help with this assignment involving graphing in geography. Need it before Wednesday, June 14, 2023.
Graphing plays a crucial role in geography by providing visual representations of spatial data and patterns.
What is the significance of graphing in geography?Graphing in geography allows researchers and geographers to analyze and interpret data more effectively. It helps in identifying spatial patterns, trends, and relationships between variables. By representing data in graphical formats such as maps, charts, and graphs, complex information can be simplified and understood more easily.
Graphing enables geographers to visualize spatial distributions, analyze changes over time and make informed decisions regarding resource management, urban planning, environmental monitoring, and other geographical applications. It enhances the communication of findings and supports the dissemination of geographic knowledge to a wider audience.
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The crust in the basin and range province of nevada, utah, and arizona is stretching; therefore, fault movement in this region must be?.
Nevada, Utah, and Arizona's Basin and Range Province's crust is elongating. As a result, fault movement in this area must be typical.
An extension or stretching of the crust results from the rocks at a fault moving away from one another, a process known as normal faulting. The Basin and Range Province of Nevada, Utah, and other western US states are home to this form of faulting. The outcome of crust stretching is a typical fault.
The dense lithospheric mantle beneath sinks as a result of the collapse of the thick portion of the crust. A nearby mountain range is formed when the crust above is pulled along and buckles. The crust encompassed by the mountains is stretched and gets thinner as the warmer, more buoyant mantle rises.
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What is the capital of N. Ireland?
Answer:
Belfast
is the capital of n ireland
Answer:
Belfast
Explanation:
Its on the web
If AB=12 and BC =19 then what does AC equal
Answer:
it depends on the angle made by lines AB and BC
In August 1947, after three hundred years, the British left South
Asia. The subcontinent was partitioned into two independent states:
2. Hindu-majority India and Muslim-majority Pakistan.
Which of the following happened directly after these events?
After the partition of India and Pakistan, Options A. Massive migrations across the border and B. Widespread violence and riots were the events that directly happened.
Millions of Hindus and Muslims migrated across the newly formed border, resulting in one of the largest migrations in history. This led to widespread violence and riots between the two communities, with estimates of hundreds of thousands to millions of deaths.
Option C. Establishment of a democratic government in India, also took place, with India establishing a democratic government led by Jawaharlal Nehru. Option D did not happen, as India and Pakistan became hostile toward each other and engaged in several wars.
Option E didn't happen immediately, as both countries faced the challenges of partition, violence, and instability. However, both countries did experience periods of economic growth and development in the following decades.
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Here's the complete question,
In August 1947, after three hundred years, the British left South Asia. The subcontinent was partitioned into two independent states: 1. Hindu-majority India and 2. Muslim-majority Pakistan. Which of the following happened directly after these events?
A. Massive migrations of Hindus and Muslims across the border.
B. Widespread violence and riots between Hindus and Muslims.
C. The establishment of a democratic government in India.
D. The formation of a military alliance between India and Pakistan.
E. A period of economic growth and development in both countries.
The answers are- A. Massive migrations of Hindus and Muslims across the border and B. Widespread violence and riots between Hindus and Muslims.
These were the events that happened directly after the events mentioned in the question.
Hence, option A. and B. are correct.
According to the question, After three hundred years, the British left South Asia in August 1947, Hindu-majority India and Muslim-majority Pakistan were created from the division of the subcontinent into two sovereign republics, what happened after these events, to which the options are-
A. Massive migrations of Hindus and Muslims across the border.B. Widespread violence and riots between Hindus and Muslims.C. The establishment of a democratic government in India.D. The formation of a military alliance between India and Pakistan.E. A period of economic growth and development in both countries.What happened after the events ?After these events, One of the greatest migrations in history occurred when millions of Muslims and Hindus crossed the recently established boundary.
As a result, there was intense fighting and rioting between the two populations, which resulted in tens of thousands to millions of fatalities, according to estimates.
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assume that the fault blocks moved at a constant rate for the past 30 million years. what is the offset rate in km/30 million years?
The offset rate in km/30 million years is calculated by dividing the total offset distance by the elapsed time.
The fault block is a section of the Earth's crust bounded by faults. The fault blocks have shifted over time due to tectonic activity. The offset rate in km/30 million years can be calculated if the total offset distance and the elapsed time are known.
The formula for calculating offset rate in km/30 million years is:
Offset rate = Total offset distance / Elapsed time
We can calculate the offset rate using the given information.
Assuming that the fault blocks moved at a constant rate for the past 30 million years, the offset rate in km/30 million years is calculated as follows:
Offset rate = Total offset distance / Elapsed time
The given question does not provide the total offset distance. Therefore, it is impossible to calculate the offset rate in km/30 million years without this information.
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What is the main issue with controlled burns?
Answer:
it causes air pollution
Explanation:
What rights are protected
in most democracies?
у
t
Answer:
Explanation:
Today, constitutional democracies protect the personal and private rights of all individuals under their authority. These rights include: freedom of conscience or belief. free exercise of religion.
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Match the example in columns.
Crime, high cost
of living, and
pollution
Good climate,
jobs, and low
cost of living
Newcomers help
others migrate to
new country
Military drives
people out of
homes
?
?
2
Push factors
Pull factors
Forced migration.
Chain migration
Crime, high cost of living, and pollution: Push factors.
Good climate, jobs, and low cost of living: Pull factors.
Newcomers help others migrate to a new country: Chain migration.
Military drives people out of homes: Forced migration.
Crime, high cost of living, and pollution are examples of push factors. Push factors are circumstances or conditions that compel individuals or communities to leave their current location or country and seek better opportunities elsewhere. In this case, the presence of crime, a high cost of living, and pollution create unfavorable living conditions that encourage people to migrate in search of safety, affordability, and improved quality of life.
Good climate, jobs, and low cost of living are examples of pull factors. Pull factors are positive aspects or opportunities that attract individuals or communities to a particular location or country. The presence of a favorable climate, abundant job opportunities, and a lower cost of living make a location desirable, leading people to migrate there to benefit from these advantages.
Newcomers helping others migrate to a new country is an example of chain migration. Chain migration refers to the process where individuals or families migrate to a new country or location and subsequently facilitate the migration of their relatives, friends, or community members to join them. It often occurs when established migrants provide support, assistance, and resources to newcomers, making the migration process easier and encouraging others to follow suit.
Military driving people out of their homes is an example of forced migration. Forced migration refers to situations where individuals or communities are compelled to leave their homes due to conflict, persecution, or other forms of coercion. When the military or armed conflict forces people to flee their homes to seek safety and protection, it constitutes forced migration.
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What are the 5 themes of geography for ottawa?
Answer:
Place, Human environmental interaction, Location, Region , and Movement Explanation:
If more accumulation that ablation is occurring, the glacier is likely ___________. A. Advancing B. Retreating C. Not moving at all
A glacier is more likely to advance if more accumulation like that of ablation is occurring
A glacier refers to a body of dense ice that are always on movement under its own weight.
Therefore, the Option A is correct.
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explain in full details land reclamation
Explanation:
Land reclamation means creating land either by removing water from muddy areas or raising the level of the land. With an increasing demand for land, it can be a good solution for creating areas for building, agriculture and other uses, but there are lots of things to think about before going ahead.
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Why do we have different temperatures at different places on Earth?
because we live on different sides of the earth and also it has something to do with the equator
Explanation:
If you live near the equator and your on the suns side then you will be the hottest,
Answer:
There are differences in climate around the world because of differing amounts of radiation received from the Sun at different parts of the Earth at different times of the year.
Explanation:
How does the prevalence of the HIV virus in South Africa in 1990 compare to the prevalence in 2015? What does this suggest about South Africa’s AIDS prevention measures over that time span?
Answer: in 2015, South Africa’s HIV prevalence percentage was 19.2% and in 1990 it was only 1.0%, This change suggests that aids prevention and education programs in South Africa were scarce.
Explanation: hope this answers your question. Have a good day
explain the reason for the late afternoon breeze which blows from the sea towards the land in aegean costs of turkey during the summer.
The late afternoon breeze that blows from the sea towards the land along the Aegean coast of Turkey during the summer is caused by a phenomenon known as "sea breeze".
During the day, the land heats up faster than the sea, causing a temperature difference to form. This temperature difference creates a pressure gradient, which in turn generates a wind. The warm air over the land causes an area of low pressure to form because it rises. The cooler, denser air from over the sea flows towards the land to fill this area of low pressure, creating a sea breeze. The sea breeze typically starts to blow towards the land in the early afternoon and continues until the evening, when the land cools down and the temperature difference between the land and sea decreases, causing the wind to die down.
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Migmatite is a gneiss that has started to partially
melt.
Group of answer choices
True
False
The statement "Migmatite is a type of rock that is formed when a gneiss, a metamorphic rock, begins to partially melt." is true.
It is characterized by alternating light and dark bands or layers, where the light bands correspond to the partially melted or mobilized portions of the rock, and the dark bands represent the solidified portions. The partial melting in migmatite occurs due to high temperatures and pressures in the Earth's crust, often associated with tectonic activity.
As a result, migmatite exhibits a mixed appearance, combining characteristics of both metamorphic and igneous rocks. This unique rock type provides evidence of dynamic geological processes and the complex interplay between metamorphism and melting.
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Outline the methodical procedure and the results of the GLOBE study.
The GLOBE (Global Learning and Observations to Benefit the Environment) study is a worldwide research initiative that involves students, teachers, and scientists collecting environmental data.
The study aims to enhance understanding of the Earth's systems and promote scientific literacy. The following outline provides an overview of the methodical procedure and key results of the GLOBE study:
Methodical Procedure:
a. Training: Teachers and students receive training on data collection protocols and measurement techniques.
b. Data Collection: Participants collect data in various environmental areas, including atmosphere, hydrology, soil, land cover, and phenology.
c. Protocols: The study provides detailed protocols and instruments for collecting and recording data.
d. Data Entry: Participants enter their collected data into the GLOBE database.
e. Quality Assurance: The collected data undergoes a rigorous quality assurance process to ensure accuracy and reliability.
f. Collaboration: The data is shared globally, facilitating collaboration among scientists, researchers, and educators.
Results:
a. Scientific Discoveries: The GLOBE study has led to numerous scientific discoveries and insights into Earth's systems, including climate patterns, weather phenomena, and ecological processes.
b. Education and Learning: Students and teachers involved in the study gain hands-on experience in scientific data collection and analysis, fostering scientific literacy and environmental awareness.
c. Global Network: The study has built a vast network of participants worldwide, promoting international collaboration in environmental research and education.
d. Data Availability: The collected data is freely accessible, allowing scientists and researchers to utilize it for further analysis, modeling, and understanding of global environmental processes.
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on mount st. helens, the intensity of disturbance ranged from extremely high (lava dome, pumice plain) to moderate (mudflow zone, blowdown zone), to low (scorch zone). in which area is the biotic stress of competition most likely to control succession?
In Pumice Plain area is the biotic stress of competition most likely to control succession.
On the northern slopes of Mount St. Helens, inside the National Volcanic Monument, the Pumice Plain is a Class I Research Area. The Pumice Plain has stayed a pure natural laboratory since the volcanic explosion. Unlike any other place on Earth, the site has given researchers the chance to observe how new ecosystems are formed.
Because of the distinctive opportunities it offers, researchers are drawn to this website. Ecosystems are huge, intricate networks where it might be challenging to isolate any one cause.
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air flowing toward the equator is pushed and air flowing away from the equator is pushed is called
The phenomenon of air flowing toward the equator being pushed and air flowing away from the equator being pushed is known as the Hadley Cell.
This atmospheric circulation is named after George Hadley, an English lawyer who first proposed the concept in 1735.
The Hadley Cell is a two-celled atmospheric circulation in which air near the equator rises up and is pushed to the tropics, cooling as it moves away from the equator.
At the tropics, the air sinks back down to the surface and is pushed away from the equator, heating up as it moves towards the poles.
This circulation pattern helps to redistribute heat around the Earth and keeps the equator warm while cooling off the poles. This is why temperatures decrease significantly the further away you are from the equator.
The Hadley Cell is an important part of the global climate system, and without it, the planet would be significantly colder overall.
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What is diffusion? Asap please
spread of people, things, ideas, cultural practices, disease, technology, weather, and other factors from place to place.
Answer:
Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration . Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things - it is how substances move in and out of cells.
Explanation:
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the mount pinatubo particle model shows that the initial atmospheric flow of erupted fine ash and sulfur oxide was from . subsequently, the prevailing westerlies dispersed the material to higher latitudes. a. east to west b. west to east
Option A, According to the Mount Pinatubo particulate model, the fine debris and sulfur dioxide that was first released into the atmosphere moved from East to West.
One of the biggest volcanic explosions of the 20th century was the Mount Pinatubo outburst in 1991. The explosion significantly altered the climate of the entire planet by releasing millions of tons of ash and sulfur dioxide into the sky.
According to the eruption's particle model, the easterly trade winds were what caused the erupted material's original atmospheric movement, which was from east to west. The material was ultimately spread to higher altitudes by the dominant westerlies, which led to a drop in world temps and a rise in atmospheric aerosols. One of the most important events in history was the explosion of Mount Pinatubo.
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how to use the labour market and the production
function to explain rises in potential GDP？
Potential GDP is the level of economic output that an economy is capable of producing with a given level of labour and capital resources.
It is determined by a range of factors, including labour market conditions, technological advancements, and government policies. The labour market and production function can be used to help explain potential GDP.
The labour market determines how efficiently and effectively available labour is used to generate output. It is an indicator of whether workers are being used to their potential capacity. Factors such as full employment, increased wages and productivity, and access to higher levels of education and skills development can all increase the available labour supply and help to push up potential GDP.
The production function helps to explain how the quantities of a range of inputs, including labour and capital, can be combined to create higher levels of output. If labour and capital are used in increasingly productive ways, then potential GDP can be raised as output increases. The production function indicates the maximum amount of potential output that can be achieved with available inputs.
Changes in labour market conditions, technological advancements, and government policies all affect potential GDP. By understanding the role of the labour market and production function in influencing the level of potential GDP, it is possible to identify any imbalances and develop strategies to help address them.
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5. Answer the following in one word or one sentence. a. A plant having two halves which snap shut when an insect sits on it. b. The modified sucking roots in parasitic plants. C. A relationship between two organisms in which both are benefited. d. The tiny pores present on the leaves through which gases enter and exit the plant.
Answer:
a.The Venus flytrap.
b.haustoria.
c.Symbiosis.
d.stomata.
Hope it helps you.Explain what water pollution is and state the human activities that causes water pollution.
The presence of harmful chemicals and biological agents in groundwater that go above and beyond what is normally present in the water and may be hazardous to the environment and/or human health is referred to as water pollution. Additionally, substances that have been added to water bodies as a result of numerous human activities might constitute water contamination. Regardless of the risk they may represent to the environment and human health, any quantity of harmful substances pollutes the water. Water pollution is a hideous problem all around the world that is caused entirely by human behavior. So, what would it take to stop or in the very least reduce the rate of significant water pollution? The answer includes creating and imposing laws on how waste is disposed on a large scale, such as factories and farms, as well as educating the overall public on what each person can do to contribute to the solution instead of the problem. The major causes of water pollution in today’s society are from household sewage, industrial manufacturing, and agricultural runoff. Laws such as Clean Water Act of 1972 have been helpful but now, half a century later it is in need of an overhaul to address the polluting sources not included in the original version. Examples of which include indirect source polluting from farm and residential runoffs that carry with them pesticides, household chemicals, and even pharmaceuticals right to the steams and oceans infesting marine life and drinking waters. The ultimate solution is to come at the problem from both ends, cleanup the waste that is already in the water systems throughout the globe, but more importantly stopping or at the very least significantly cutting down on the careless polluting practices currently in place. That is why it is vital to publicize this problem, educate on the causes and effects of society’s activities, and fight for creation and enforcement of stricter laws for waste disposals.
the coastal environment represents a balance between erosional processes and depositional processes. if left undisturbed, what coastal profile would develop? can you name examples of such profiles (3 points)?
The coastal environment represents a balance between erosional processes and depositional processes if left undisturbed tidal profile would develop.
The coastal environment that would develop is shallow often a muddy part of foreshore which are covered and uncovered by the rinse and fall of the tide .
Tidal currents on the open coast such as along a beach or rocky coast are not enough to transport sediment. the role of tides in molding coastal landforms is twofold tidal currents transport large quantities of sediment and may erode bed rock.
Waves tides and wind dominate coastal processes. Tidal feeds estuaries.
Tides prevent the blocking of ports with sediment.
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