The most abundant elements in Earth's crust are oxygen, silicon, and aluminum. For Earth as a whole, iron, oxygen, and silicon are most abundant. What may be concluded from this data
Answers
This data demonstrates that oxygen, silicon, and aluminum are the three most abundant elements in the Earth's crust, while iron, oxygen, and silicon are the most abundant elements for Earth as a whole.
This implies that while oxygen, silicon, and aluminum are the most abundant elements found in the Earth's crust, iron also plays an important role in Earth as a whole, as it is the fourth-most abundant element. This data provides insight into the composition of the Earth as a whole and how different elements are distributed among the planet's various layers.
We can also see from this data that silicon is an extremely important and abundant element in the Earth. This data is important for understanding Earth's composition and its development and evolution.
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Related Questions
Describe at least 2 specific reasons people may not want to visit at all Ecuador (ASAP)
Answers
Answer:
sorry dont know
Why are nongovernmental organizations important?
Check all that apply.
A. They are private institutions that aid the work of government.
B. They often fill in gaps between government-funded services.
C. They are private institutions that attack government policy.
D. They help citizens by acting as watch dogs over elected officials.
Answers
The importance of nongovernmental organizations includes
Option A , B & C.
How do nongovernmental organizations contribute to society?Non-governmental organization is referred to as an NGO. Although there isn't a single, widely accepted definition of an NGO, it's often a volunteer organization or group with a social objective that runs unaffiliated with the government. All across the world, NGOs and other organizations of a similar nature operate.These NGOs engage in a broad range of activities, including as political lobbying on subjects like foreign policy, elections, the environment, healthcare, women's rights, and many other topics.An important factor in alleviating poverty is long-term economic growth, which is promoted by NGOs that aid the poor. These initiatives help individuals become more capable, knowledgeable, and capable of managing their own life, which leads to increased motivation and self-sufficiency.Learn more about Nongovernmental organizations refer to :
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based on the number of axes of rotation pivot joints are___joint
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Based on the number of axes of rotation, pivot joints are considered one-axis joints.
Pivot joints are found in various parts of the body, such as the neck (atlantoaxial joint), where the atlas (C1 vertebra) pivots around the dens of the axis (C2 vertebra), allowing rotational movement of the head.
These joints have a relatively simple structure, consisting of a rounded or cylindrical bone surface that fits into a corresponding concave or ring-shaped surface of another bone. The shape of the joint allows for rotation and minimal movement in other directions.
It's important to note that while pivot joints primarily allow rotation around a single axis, they may have some degree of movement in other planes depending on the specific joint and surrounding structures. For example, the atlantoaxial joint allows for limited flexion and extension in addition to rotation.
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How to calculate the density of a population?
Answers
Answer:
The density of population is the ratio between the numbers of people to the size of land. It is usually measured in persons per sq.km. For example, the area of Region X is 100 sq km and the population is 150,000 persons. The density of population is calculated by dividing 150,000 by 100.
Explanation:
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Answer:To calculate the population density, you will divide the population by the size of the area.
Explanation: Thus, Population Density = Number of People/Land Area.
All of the following are examples of why the Nile River valley is a good location to establisha
permanent settlement EXCEPT
O Easy access to the Mediterranean
OIt has fertile soil
O It's a good waterway for trade ships
O It's very hot in the summer and very cold in the winter
Answers
Answer:
It's very hot in the summer and very cold in the winter.
Explanation:
The Nile River valley is one of the places where one of the earliest civilizations developed. There have been multiple reasons why a civilization developed here. Some of the factors were that the Nile provided a stable supply of water for drinking and irrigation, highly fertile soil, easy transportation and travel, and connection to the Mediterranean Sea.
The climate was hot and dry, and the whole surrounding area was dominated by desert. There weren't many oscillations in the climate, so the difference between the summer and winter was that one was hot and the other one hotter. The Nile though neutralized the desert conditions and it actually turned them as good for the people because they were able to have more than one harvest during the year.
Measles is a disease that causes fever and rash. The graph gives the number of measles cases in the United States between 1938 and 2019
(measured in 100,000s.) The smaller graph shows recent outbreaks (measured in 200s.) The measles vaccine was introduced in the 1960s. The
2010s also saw a drop in vaccines being taken the United States. What can you conclude using the information in the graph?
A) Measles is the leading cause a fever for children under age 5 in the United States.
B) visitors who are not vaccinated continue to spread measles in the United States.
C) The measles vaccine had little effect on the population of the United States.
D) The measles vaccine nearly eliminated measles in the United States him.
Answers
Answer:
i think its D i'm not sure tho
Explanation:
if you look at the chart they pretty much got eliminated after the vaccine in 1963 that was a big downfall in cases.
The vaccine for measles nearly eliminated them in the United States. This option D is correct.
What is measles?Measles is a highly contagious infection that spreads through the known virus. The symptoms develops after 10 to 12 days and the person stays infected till 7 days.
The virus is serious for children but can be treated with vaccines as this disease spreads by air droplets.
As per the graph the decline of the disease started in 1968.
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Which characteristic of stars changes with distance?
A. Temperature
B. Color
C. Apparent brightness
D. Luminosity
Answers
Answer:
it's C hope this helps
:)
Explanation:
I just took a test
A P E X
Answer:
C
Explanation:
how do we use geography in our everyday lives
Answers
Answer:
GPSMaps Online food delivery servicesTransit ApplicationsWeather and ClimateSports Teams
an anvil-shaped head is a feature of a mature thunderstorm.truefalse
Answers
The statement "an anvil-shaped head is a feature of a mature thunderstorm" is true.
What is a thunderstorm?A thunderstorm is a type of weather phenomenon characterized by lightning and thunder. Thunderstorms develop when hot, humid air rises and cools, resulting in the formation of water droplets, which form clouds, followed by thunderstorms.
The correct answer to this question is true because the anvil-shaped head of a mature thunderstorm is a distinguishing characteristic. Anvil clouds are produced by the higher-level winds blowing the cloud top flat, such as those encountered in a mature thunderstorm.
The head of the thunderstorm is in the form of an anvil because of the higher air pressure and temperature above it, which flattens it out. This feature, as previously stated, can only be seen in mature thunderstorms. The anvil-shaped head is the most distinguishing characteristic of thunderstorms.
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although nuclear energy is not based on fossil fuels, why is it considered a non-renewable energy source?
Answers
Despite being a sustainable energy source, uranium mining prevents it from becoming a renewable resource right now. However, if Uranium's supply was switched from mined ore to sea water, it might become entirely renewable.
Atomic nuclei are the source of nuclear energy. Nuclei are fused together to release energy, or they can split apart to release energy (nuclei are split apart). Electricity is produced by nuclear plants using the nuclear fission of the radioactive element uranium.
Neutrons, protons, and electrons make up atoms, the fundamental building blocks of everything in the universe. They have a nucleus, which is the source of nuclear energy.
An atom releases its nuclear energy in one of two ways:
nuclear fusion, the joining or fusing of two atoms' nuclei. The Sun produces energy in this manner.nuclear fission, the splitting of atoms' nuclei. This is how nuclear power reactors produce electricity.To know more about nuclear fission refer:
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during which season are the strong, prevailing winds blowing from china, or from the northeast or northwest, to india or the indian ocean and se asia?
Answers
Strong, prevailing winds blowing from China, or from the northeast or northwest, to India, or the Indian Ocean, and Southeast Asia during the winter season.
The winter monsoon in the Indian Ocean, which lasts from October to April, is less well-known than its rainy summer counterpart. The northeast winds blow during the dry winter monsoon. These winds originate in the atmosphere above Mongolia and northwestern China. The wind blows from sea to land during this type of monsoon. The moisture from the Indian Ocean is carried by these monsoon winds. The summer (southwest) monsoon is responsible for the majority of the rainfall in Asia (a warm moist wind). The westerlies cause rainfall in Western Asian countries during the winter. Eastern China, the Philippines, Malaysia, and so on.
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how does migration effect the social,environmental,health and economic aspects(IN LONG ANSWER)
Answers
Answer:
If more people migrate there will be more profit made by the countries where people migrate. This means the government can spend those money to improve social places such as schools, city centers, houses, parks and etc.
Explanation:
Explain a possible limitation of comparing Image 1 and Image 2 to understand the population growth and composition of New York City and Tokyo.
Answers
A possible limitation of comparing Image 1 and Image 2 is that:
It restricts the quantity of information beyond the fact that most New Yorkers are of White ethnicity, while most residents of Japan are Asian.What does the term "ethnic identity" mean?The landscapes of New York City and Tokyo are impacted by assimilation, which occurs when individuals of one cultural group adopt the behaviors of another group while retaining some of their own characteristics.
Since there are no accepted scientific definitions of race or ethnicity, these factors are challenging to measure. Many wonder if significant comparison research can be conducted without a common scientific definition when there is so much room for classification error.
Therefore, an element of ethnic identity is the sense of ethnic group membership. Different metrics can be used to assess ethnic identification. Simply asking a responder about their affiliation with the dominant group and their ethnic group is one way to collect data.
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For a class fundraiser, Ernie is selling raffle tickets. The raffle tickets can be bought individually, at x dollars per ticket, or can be bought in booklets of 10 tickets, at y dollars per booklet. Ernie sells m individual tickets and n booklets. Write an equation that can be used to find s, the number of dollars' worth of raffle tickets that Ernie sells.
Answers
Answer:
s = mx + ny
Explanation:
An individual ticket sells for x dollars. If Ernie sells m of them, his revenue is ...
mx
A booklet sells for y dollars. If Ernie sells n of them, his revenue is ...
ny
Ernie's total sales revenue is ...
s = mx + ny
Answer:
s= mxx+nyExplanation:
An equation that can be used to find s, the number of dollars worth of rafflr tickets that Ernie sells.
definition of geostrophic force
Geostrophic wind
Answers
Answer:
A geostrophic current is an oceanic current in which the pressure gradient force is balanced by the Coriolis effect. The direction of geostrophic flow is parallel to the isobars, with the high pressure to the right of the flow in the Northern Hemisphere, and the high pressure to the left in the Southern Hemisphere.
What causes the sinking of water in the northern Atlantic Ocean, which helps to drive the Ocean Conveyor Belt?
The low salinity water coming from the south gains salt and becomes more dense.
The high salinity water coming from the south cools and becomes more dense.
The high salinity water coming from the south warms and becomes less dense.
The low salinity water coming from the south looses salt and becomes less dense.
Answers
Answer:
B
Explanation:
The global ocean conveyor belt is a constantly moving system of deep-ocean circulation driven by temperature and salinity. The great ocean conveyor moves water around the globe. ... This loss of heat to the atmosphere makes the water cooler and denser, causing it to sink to the bottom of the ocean.
The sinking of water in the northern Atlantic Ocean, which helps to drive the Ocean Conveyor Belt causes The high salinity water coming from the south cool and become denser. Thus the correct option is B.
What is Ocean Conveyor Belt?A system of depth circulation that is always circulating and driven by salinity and temperatures is known as the "global ocean conveyor belt." The worldwide ocean nourishment and co2 cycles depend heavily on the conveyor belt.
When warm water from the Gulf Stream heated the atmosphere in the chilly northern latitudes, it warms the Norwegian Sea, where the ocean conveyor gets its "start." The water becomes denser and cooler due to this energy loss to the environment.
Saline water that is warmer and less thick is boiled in the equatorial zone and moves toward higher latitudes or the poles. When this water rises to higher latitudes, it combines with the arctic water, which becomes denser.
Therefore, option B is appropriate.
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please I need help... just please its an emergency
Answers
The characteristics of all echinoderms are:
Simple organ systems Regeneration of body parts Marine habitats What are the characteristics of Echinoderms?Echinoderms are organisms that live in marine habitats. They are often found in shallow waters but can also survive deeper under the sea if need be.
Echinoderms have simple organ systems which allow them to be able to quickly regenerate body parts when they are damaged. Some examples of echinoderms include star-fish and sea-urchins.
In conclusion, there are several characteristics of echinoderms including regeneration, simple organ systems, and occupying habitats in marine areas.
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When Bill and Jo meet up with the big EF-5 tornado, which of the follow objects is not thrown at them or in their way?
a. a house
b. an 18-wheeler truck (cab and all)
c. assorted farm vehicles
d. a water tower
Answers
When Bill and Jo meet up with the big EF-5 tornado, the object that is not thrown at them or in their way is (d) a water tower.
Among them are a house, assorted farm vehicles, and an 18-wheeler truck (cab and all). However, a water tower is not thrown at them or in their way. The scene is an intense portrayal of the destructive power of a tornado and highlights the danger and devastation it can cause. Despite the excitement and adrenaline of the scene, it's important to remember that real-life tornadoes are not something to be taken lightly and can cause serious harm and damage. It's crucial to stay informed and take necessary precautions in the event of a tornado warning.
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How is it possible for the sun to be more luminous than a white dwarf if the sun has lower temperature
Answers
A white dwarf is the remains of a star after fusion reactions have finished. The core collapse which creates a white dwarf makes it initially very hot. It can be over
100
,
000
K
.
White dwarfs emit radiation while they cool down over a very long time period. They are very small and have very low luminosity.
A star like the Sun on the other hand is constantly producing energy from fusion reactions in the core. Although the surface temperature may only be
6
,
000
K
, the core is at
14
,
000
,
000
K
and constantly producing energy. Hence the Sun is much larger and much more luminous.
Red giant stars are even cooler at less than
4
,
000
K
. They still have fusion reactions taking place in or around the core. They are very large and very much more luminous than the Sun.
in medieval literature, the word "romance" is most closely associated with what?
Answers
To answer your question, the term "romance" in medieval literature is most closely associated with tales of adventure and chivalry, often featuring knights and ladies in love.
These stories were characterized by their emphasis on love, honor, and heroic deeds. They were also known for their fantastic elements, such as magic and supernatural creatures.
The term "romance" originally referred to the language these stories were written in - French, the language of courtly love - but it soon came to describe the genre as a whole. Examples of medieval romances include King Arthur and the Knights of the Round Table, Tristan and Isolde, and Sir Gawain and the Green Knight. Romance remains a popular genre today, with many modern works drawing inspiration from these medieval tales of chivalry and love.
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As Trans-Saharan trade routes open up, there was an increased demand for ___
Answers
As Trans-Saharan trade routes opened up, there was an increased demand for gold and salt. These two commodities became essential to the growth of economies and societies across the African continent.
Gold was a valuable resource that was used as currency, as well as for making decorative items and jewelry. Salt, on the other hand, was crucial for preserving food and maintaining health, as it helped to balance the body's fluids.
The expansion of the Trans-Saharan trade routes facilitated the exchange of these vital goods between the North African kingdoms, like the Berbers, and the West African kingdoms, such as the Ghana Empire and later the Mali and Songhai Empires.
As these trade networks grew, other goods like textiles, spices, and slaves were also exchanged, further enriching the economies and cultures of the various participating regions.
The prosperity of these African kingdoms also attracted traders and scholars from Europe, the Middle East, and Asia, which led to the exchange of ideas, technology, and religion along the Trans-Saharan trade routes.
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Discuss global warming with reference to evidence, causes, and consequences, focus on Africa
Answers
Answer:
Global warming is the long-term heating of Earth's climate system. It is caused due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.
Consequences of global warming are- More frequent and severe weather. Higher temperatures are worsening many types of disasters, including storms, heat waves, floods, and droughts.Higher death rates.Dirtier air. Higher wildlife extinction rates.More acidic oceans.
Meandering Streams – Vicksburg, MS. What is the stream mostly flowing in the larger river’s floodplain called (Problem 11 placemark)? Be sure to turn on Borders and Labels in the Layers panel. Choose one:a. point bar b. oxbow lake c. yazoo tributary d. meander scar
Answers
Answer:
d. meander scar
Explanation:
Meander scar is the name given to a stream that flows from a floodplain of a larger river. As it flows, it is possible to see this stream swaying tirelessly in all directions giving rise to a series of sinuous and regular curves, creating a watercourse. The meander scar can also originate from a floodplain that changes its channel within a valley.
Which event damaged the economies of the coastal kingdoms?
Answers
Answer: the European colonization
Explanation:
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the sky is blue because molecules in the atmosphere scatter blue light more effectively than red light. true false
Answers
The statement "the sky is blue because molecules in the atmosphere scatter blue light more effectively than red light." is true as this phenomenon is called Rayleigh scattering.
Rayleigh scattering, a phenomenon, is the reason the sky appears blue. The molecules in the atmosphere scatter sunlight as it travels through the atmosphere of Earth. Due to the size of the particles involved, blue light, which has a shorter wavelength, is scattered more than red light which has a longer wavelength.
The blue hue of the sky is a result of this blue light's dispersion in all directions. In contrast, the shorter blue and green wavelengths scatter away during sunrise and sunset because more of the atmosphere must be penetrated by the sunlight giving those times of day their reddish hues.
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A geographic factor that led to the
increase in population in the
Midwest is
Answers
Answer:
Mid-latitude forests, temperate grasslands, relatively flat, and good quality soil
Geographic factors are the factors that are evaluated under the study of relationships between people and the environment. It is termed as the physical property of geography that can be analyzed with few characters and factors.
The geographic factor that led to the increase in the population is the difference between the birth rate and the death rate. When the birth rate increases and the death rate declines the population is in the increasing phase. When the birth rate is declining and the death rate is increasing the population seems to be declining. The best rate of increase in population is the increase in the birth rate.
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EARTH SCIENCE
which one is it, please help!
NO LINKS NO LINKS.
Answers
Answer:
Info:Tectonic plates are able to move because Earth's lithosphere has greater mechanical strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection; that is, the slow creeping motion of Earth's solid mantle.
Explanation:
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explain the significance of cap rock on these landscapes
Answers
Answer:
Cap rock protect the more vulnerable rock beneath it
imagine you heard the meteorologist on tv announce that the atmospheric pressure for the day is going to be 767 mmhg. you know that 1 atmosphere of pressure
Answers
If the meteorologist announced that the atmospheric pressure for the day is going to be 767 mmHg, you can relate it to 1 atmosphere of pressure.
Atmospheric pressure is commonly measured in atmospheres (atm) or millimeters of mercury (mmHg). 1 atmosphere is equivalent to 760 mmHg, based on the standard atmospheric pressure at sea level. Therefore, a pressure of 767 mmHg is slightly higher than 1 atmosphere.
This information indicates that the atmospheric pressure for the day is slightly elevated compared to the standard atmospheric pressure at sea level. Understanding atmospheric pressure helps in assessing weather conditions and predicting potential changes in air masses and weather patterns.
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Determine the speed of rotation of a 20 teeth gear when it is driven by a tooth gear and rotating at 10 rpm
Answers
The speed of rotation refers to the rate at which an object or component turns or revolves around its axis, typically measured in units such as revolutions per minute (RPM) or radians per second (rad/s).
The speed of rotation of a 20 teeth gear when it is driven by a tooth gear and rotating at 10 rpm can be determined by using the following formula:N₁ × R₁ = N₂ × R₂Where, N₁ is the number of teeth on the driving gearR₁ is the speed of rotation of the driving gearN₂ is the number of teeth on the driven gearR₂ is the speed of rotation of the driven gearGiven, the number of teeth on the driving gear = 10 rpmThe number of teeth on the driven gear = 20 teethNow, substituting the given values in the above formula, we get:10 rpm × 10 teeth = 20 teeth × R₂=> R₂ = (10 rpm × 10 teeth) / 20 teeth= 5 rpmTherefore, the speed of rotation of the 20 teeth gear is 5 rpm.
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