Igneous rocks were the first rocks to exist on the Earth.
In order to form igneous rocks, hot, molten rock crystallizes and solidifies. Near active plate borders or hot places, the melt begins its journey deep inside the Earth before rising to the surface.
The initial rocks must have been basalt since following the hit, the entire Earth was a molten ocean. Sedimentary rocks and intrusive igneous rocks couldn't have developed until there was a crust for the magma to intrude into, which would have been long after the oceans had formed.
"First rocks to exist on the Earth" is the right statement.
To know more about the Igneous rocks, visit:
https://brainly.com/question/2500550
#SPJ4
When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to ________.
Answer:
December 21
Explanation:
found on quizlet
Which of the following statements best explains the difference between physical and human geographers?
A.
Human geographers study human societies, while physical geographers study the solar system.
B.
Human geographers study the natural features of the Earth’s surface, while physical geographers study human societies.
C.
Human geographers study modern governments, while physical geographers focus on ancient societies and cultures.
D.
Human geographers study human societies, while physical geographers study the natural features of the Earth’s surface.
Answer:
D. Human geographers study human societies, while physical geographers study the natural features of the earth surface
Explanation:
Hope it helps!!!
Which of the following deserts is known for being the hottest and coolest places on the planet?
A. Sahara Desert
B. Karakul Desert
C. Taklamakan
D. Gobi Deseet
at the fossil site at punta alta, darwin found evidence _____.
At the fossil site at Punta Alta, Darwin found evidence of extinct species and the gradual evolution of species over time.
Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection. He wrote a book " origin of species", where he defined the process of evolution. He defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor. The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.
Natural selection causes populations to become adapted, or increasingly well-suited, to their environments over time. Natural selection depends on the environment and requires existing heritable variation in a group.
learn more about natural selection here:
https://brainly.com/question/9830102
#SPJ11
based on the soil texture triangle, which of the following would describe soil that was 25% clay, 25% silt, and 50% sand? responses
Based on the soil texture triangle, the soil with a composition of 25% clay, 25% silt, and 50% sand would be Sandy Clay Loam soil.
These soils are located on steeper slopes (2-3%) as compared to similar soils on the Gently Undulating Plains unit. The soil erosion hazard is high in this soil type because of the poor surface soil structure, the presence of non-wetting sands in some places, the slope, and slope length. The fine sandy clay loam texture and near-sodic nature of the surface soils provide the soils with the propensity to slake and disperse and the tendency to be hard-setting and form surface crusts.
Cropping on these soils presents a higher risk in some years due to soil structure problems resulting in surface water runoff leading to soil erosion.
Learn more about the sandy clay loam soil here
https://brainly.com/question/4539121
#SPJ4
What is the Transition Zone?
Answer:
The transition zone is part of the Earth's mantle, and is located between the lower mantle and the upper mantle, between a depth of 410 and 660 km (250 to 400 mi). The Earth's mantle, including the transition zone, consists primarily of peridotite, an ultramafic igneous rock.
lazyuser30
What do you mean by inclusiveness?
Answer:
It means something that does not leave any part or group out
What are the major causes of sea level rise? Explain how sea level has changed during the Pleistocene and the evidence for these changes. Describe two ways that changes in ice sheets and sea ice can affect climate.
The major causes of sea level rise are primarily attributed to two factors: thermal expansion of seawater and the melting of land-based ice.
1. Thermal Expansion: As the Earth's oceans absorb heat from the atmosphere, seawater expands and occupies more volume, leading to an increase in sea level.
2. Melting of Land-based Ice: The melting of glaciers, ice caps, and ice sheets on land contributes significantly to sea level rise. This includes the melting of ice in Greenland and Antarctica, as well as smaller glaciers around the world.
During the Pleistocene epoch, which began around 2.6 million years ago and lasted until approximately 11,700 years ago, there were multiple glacial-interglacial cycles. These cycles involved periods of extensive ice cover and subsequent melting. As a result, sea levels fluctuated significantly. During glacial periods, large amounts of water were locked up in ice sheets, causing sea levels to drop by several hundred feet. Conversely, during interglacial periods, when the climate was warmer, ice sheets melted, and sea levels rose. The evidence for these changes in sea level during the Pleistocene can be observed through various geological records, such as sediment cores, fossilized coral reefs, and shoreline features. For example, the presence of ancient coral reefs at higher elevations suggests that sea levels were once higher in those areas. Additionally, the analysis of deep-sea sediment cores can provide information about past sea level fluctuations and the composition of marine organisms that thrived at different water depths.
Changes in ice sheets and sea ice can have significant impacts on climate. Here are two ways these changes can affect climate:
1. Albedo Effect: Ice sheets and sea ice reflect a significant amount of sunlight back into space due to their high albedo (reflectivity). As ice melts and exposes darker surfaces like land or open water, the absorption of sunlight increases, leading to further warming. This positive feedback mechanism can amplify climate change.
2. Thermohaline Circulation: Melting ice from glaciers and ice sheets can introduce freshwater into the oceans, affecting the density and salinity of seawater. This alteration can disrupt the thermohaline circulation, a crucial global ocean current system that redistributes heat around the planet. Changes in this circulation pattern can influence regional and global climate patterns.
To know more about sea level rise, click here: brainly.com/question/32331702
#SPJ11
A valley is noticeably lower than the surrounding area. What is one way a valley might form?
A.Magma rises at a divergent plate boundary.
B.Water, wind, or glaciers deposit new crust.
C.Tectonic movements make folds and faults in the crust.
D.Continental plates slip past each other at a transform boundary.
Answer:
Though erosion due to water
Explanation:
Answer:
C i think that the answer
A throbbing pulse of electromagnetic radiation is called a
A throbbing pulse of electromagnetic radiation is called Photon.
A photon is a fundamental particle that functions as both the force carrier for the electromagnetism and a quantum of the electromagnetic field, which includes electromagnetic radiation like light and radio waves. Due to their lack of mass, photons always travel in a vacuum at the speed of light.
Numerous natural processes emit photons. Synchrotron radiation, for instance, is produced when a charged is accelerated. Photons of varying energies, ranging from radio waves to gamma rays, are released during a molecular, atomic, or nuclear shift to a lower energy level. When a particle and the matching antiparticle are destroyed, photons may also be released.
Learn more about Electromagnetic Radiation here:
https://brainly.com/question/1408043
#SPJ4
hurricanes are called major hurricanes if they are at least a category blank _____ on the saffir-simpson scale
A hurricane is called a major hurricane if they are at least a Category 3 on the Saffir-Simpson scale.A hurricane is a powerful tropical storm that forms over warm ocean water.
Hurricanes have high winds, heavy rain, and sometimes tornadoes. They are classified according to the Saffir-Simpson scale, which ranges from Category 1 to Category 5, with Category 5 being the most severe.A hurricane is classified as a Category 3 storm if it has sustained winds of 111-129 miles per hour. Category 3 hurricanes are capable of causing significant damage to buildings, trees, and power lines.
They can also produce storm surges that cause severe flooding in coastal areas. In conclusion, a hurricane is called a major hurricane if it has a minimum wind speed of 111-129 miles per hour, making it a Category 3 storm on the Saffir-Simpson scale.
To know more about Hurricanes visit-
brainly.com/question/33034641
#SPJ11
True Or False - Rivers flow faster on gentle slopes, and are unable to transport any material downslope? - Provide Reason/Explain your answer.
Answer:
true
Explanation:
The velocity of a river is determined by many factors, including the shape of its channel, the gradient of the slope that the river moves along, the volume of water that the river carries and the amount of friction caused by rough edges within the riverbed
How quickly erosion occurs depends on many factors. In each box of the table below, circle the choice
you think would cause erosion to occur more quickly.
Hard rocks Soft rocks Lots of rain Little rain
Hot weather Cold weather Many plants Few plants
Erosion is defined as the removal of soil or rock from one area to another by natural agents such as wind, water, and ice. The rate at which erosion occurs is influenced by several factors.
The table below highlights factors that increase erosion:Hard rocks Soft rocks Lots of rain Little rain Hot weather Circle the correct optionCold weather Many plants Few plants Some factors such as hot weather, lots of rain, and little vegetation cause erosion to occur more quickly.Hot weather is among the factors that cause erosion to occur quickly. Hot weather causes rocks to expand, making them weak and susceptible to erosion. High temperatures can cause rocks to crack, which increases the rate of erosion.Lots of rain can lead to soil erosion. The rainwater flowing over the ground surface can carry away soil particles and minerals with it.
The flow of water can also cut into the soil, causing gullies and channels to form. As a result, rain can erode soil quickly.Lack of vegetation accelerates soil erosion. Vegetation such as grass and trees plays a crucial role in stabilizing soil. They help to prevent soil erosion by holding soil in place with their roots and reducing the velocity of water and wind, which reduces the rate of erosion. In summary, hot weather, lots of rain, and few plants are some of the factors that cause erosion to occur quickly.
To know more about Erosion click here:
https://brainly.com/question/30587260
#SPJ11
help me asap plz
^﹏^
Answer:
French Guiana - controlled by France
Suriname - Official language is Dutch
Ecuador - Mostly exports of bananas and oil; population is mostly mestizo
El Salvador -The highest population density in the region of South America
it was correctly placed lol
Explanation:
describe the two types of volcanic outcrops discussed in the video by sorting their characteristics. answer instruction: drag the appropriate items into their respective bins. each item may be used only once.
I'll provide you with a brief description of two common types of volcanic outcrops and their characteristics. You can then use this information to complete the task in your video.
1. Basaltic Outcrops: These volcanic outcrops are formed from basalt, a dark, fine-grained igneous rock. They typically result from low-viscosity lava flows, allowing the lava to spread out and create wide, thin layers. Basaltic outcrops are commonly found at divergent boundaries and hotspots.
Characteristics:
- Dark-colored rock
- Fine-grained texture
- Low-viscosity lava flows
- Wide, thin layers
- Associated with divergent boundaries and hotspots
2. Rhyolitic Outcrops: These volcanic outcrops are formed from rhyolite, a light-colored, high-silica igneous rock. Rhyolitic outcrops are often the result of high-viscosity lava flows, leading to the formation of thicker, more viscous layers. These outcrops are typically found at convergent boundaries and within continental crust.
Characteristics:
- Light-colored rock
- High-silica content
- High-viscosity lava flows
- Thicker, more viscous layers
- Associated with convergent boundaries and continental crust
To know more about volcanic outcrops visit:
https://brainly.com/question/2599018
#SPJ11
Explain how remittances from migrant workers create purchasing power in other countries. Why do migrant worker send remittances? What happens with this money?
Answer:
a) Migrant workers send monies as gifts to their relatives in their home countries, they increase the purchasing power of their relatives. More money equals more purchasing power. This purchasing power is futher magnified by the (in many cases) huge difference in purchasing power between the currency in the migrants home country and the country of temporary residence.
b) migrant workers send remittances in order maximize the added purchasing power afforded by the huge variances in exchange rate. These monies sometimes are gifted to family members to help them or for some other project to be executed on behalf of the migrant.
c) the money is either used by the recipient for their own purposes in the case of a gift or used for the execution of a project on behalf of the migrant. Projects may include setting up a business, building a house or purchasing a property etc.
Cheers!
What regions do very few people live in?
Answer:
Arctic and Sahara
Explanation:
The climate is not very suitable for humans
Answer:
Mountain regions along with locations near the poles of the world
Explanation:
Mountains are scarce in resources and the poles are either way too cold or way too hot
moraine lake is a glacially fed, turquoise body of water found where?
Answer:
Banff National Park
Explanation:
Explain the characteristics of authoritarianism
Answer:
Characteristics. Authoritarianism is characterized by highly concentrated and centralized government power maintained by political repression and the exclusion of potential challengers. It uses political parties and mass organizations to mobilize people around the goals of the regime.
"
Question 7 The outer core is liquid. What keeps this layer molten? Cool temperatures Distance from the Sun High pressure Low pressure Minerals with lower melting temperatures
The layer of the outer core remains in a liquid state due to the high temperature caused by the Earth's mantle and the inner core. The correct option is High pressure.
The high temperature is due to the radioactive decay of materials, including uranium, thorium, and potassium. The high temperature causes the minerals to melt, including the iron and nickel which make up the outer core.
What is the Earth's outer core?The outer core is the outermost layer of the Earth's core, which lies beneath the mantle and is approximately 2,890 kilometers thick. It is composed primarily of liquid iron and nickel and has a temperature of approximately 4,000 to 5,000 degrees Celsius (7,200 to 9,000 degrees Fahrenheit). The outer core is responsible for generating the Earth's magnetic field, which is why it is critical to the planet's survival.The high pressure that occurs in the outer core is due to the weight of the mantle and other layers of rock above it. This pressure, combined with the high temperature, causes the outer core to remain in a liquid state, despite being made up of materials that are usually solid at Earth's surface.The combination of high temperature and pressure causes the outer core to remain in a liquid state, even though its mineral composition would otherwise cause it to solidify.
To know more on temperature visit:
https://brainly.com/question/7510619
#SPJ11
What are some ways the United Nations an help improve the development of Italy?
It works with leading universities and research institutes, investigating issues such as global change and sustainable development, development governance, and science, technology, innovation and society. Its postgraduate teaching activities contributes to capacity building in developing countries.
Some ways that the United Nations can help to improve the development of Italy are:
Through campaignsSeminarsBy creating awarenessThe United Nations can help improvement by creating agendas that would tackle and lead to the end of the issue.
They can help to eradicate poverty and hunger.By promoting quality education.Good healthGender equality among citizens.Read more on the United Nations here:
https://brainly.com/question/868250
4 — A globalização pode aumentar a proliferação de doenças virais, devido ao aumento da circulação de pessoas. A pandemia do Coronavírus é um exemplo. O vírus se espalhou rapidamente para to- dos os continentes. Observe os dados do Brasil: Agora você é o artista. Faça um gráfico em barras com os dados acima.
Answer:
O maior número de casos foi registrado em 69074 casos.
Explicação:
O coronavírus também afeta fortemente o Brasil. 3,1 milhões de pessoas afetadas pelo coronavírus e 2,2 milhões são recuperadas desta doença. 103.000 mortes por esse vírus no Brasil. A partir do mês de abril, o número de casos aumenta e a 29 de julho, maior número de casos i. e. 69074 casos foram registrados no país. Mas agora o número de casos diminui no Brasil. No dia 11 de agosto, 52.160 casos foram registrados, o que é menor do que nos dias anteriores.
What are the example of foreign trade?.
Examples of foreign trade include televisions and clothing, capital goods like machinery and raw materials. Other trading items involve services, including payments for foreign patents and travel-related services.
Give a brief account on foreign trade.A need or desire for commodities or services leads to the exchange of capital, goods, and services across international borders or territories is regarded as international trade. In most countries, such trade represents a sizable portion of the GDP. International trade routes have always existed, but recently their importance in terms of the economy, society, and politics has grown. When compared to local trade, conducting business internationally is a complex procedure.
Factors like currency, government policies, the economy, the judicial system, laws, and markets all have an impact on commerce when it occurs between two or more states. Some international economic organizations, like the World Trade Organization, were established to facilitate and justify trade between nations with varying economic standing in the modern era. These groups support the development and facilitation of international trade. International trade statistics, supranational and intergovernmental statistical services, and governmental statistical agencies all have official publications.
To know more about, foreign trade, visit :
https://brainly.com/question/17727564
#SPJ4
Why do students and scientists construct scale models of natural phenomena?
Answer:
They can be a physical, mathematical, or logical representations of a system, phenomenon, or process, and they allow scientists to investigate a phenomenon in a controlled way. For instance, a scale model of a house or of a solar system is clearly not an actual house or an actual solar system.
Explanation:
Please mark me as a brainliest
Answer:
to better observe patterns and relationships
Explanation:
hope this helps
T/F ; mars undergoes seasons because of its eccentric orbit that carries it to widely different distances from the sun, and because of its axial tilt which is similar to the earth's.
It is true that mars undergoes seasons because of its eccentric orbit that carries it to widely different distances from the sun, and because of its axial tilt which is similar to the earth's.
Mars undergoes seasons due to its eccentric orbit and axial tilt, which are similar to Earth's but with some differences. Mars has an elliptical orbit, meaning its distance from the Sun varies throughout its year. This eccentric orbit causes Mars to experience different levels of solar radiation at different points in its orbit, leading to seasonal variations.
Additionally, Mars has an axial tilt of about 25 degrees, which is similar to Earth's axial tilt of approximately 23.5 degrees. This tilt causes the Martian poles to experience variations in the amount of sunlight they receive as Mars orbits the Sun. As a result, Mars experiences distinct seasons, similar to Earth, including spring, summer, autumn, and winter.
However, the length of Martian seasons is different from Earth's due to its longer orbital period of approximately 687 Earth days. These seasonal changes on Mars influence the planet's climate, temperature, and weather patterns, affecting phenomena such as polar ice caps, dust storms, and atmospheric conditions. Mars undergoes seasons due to its eccentric orbit and axial tilt, similar to Earth's but with variations in duration and intensity due to the differences in its orbital characteristics.
LEARN MORE ABOUT mars here: brainly.com/question/32281272
#SPJ11
Natural gas must be __ into a liquid (LNG) prior to transporting
it due to cost of shipping it from distant locations.
Natural gas must be converted into a liquid, known as liquified natural gas (LNG), prior to transport, as it due to cost of shipping it from distant locations.
LNG is created when natural gas is cooled to a critical temperature of -162° Celsius, which reduces its volume to 1/600th of its gaseous form. When subjected to this cooling process, natural gas is converted from a gas state into a liquid state, forming what is known as natural gas liquid. This process is efficient and cost-effective as it eliminates the need for new large-scale infrastructure.
Furthermore, by significantly reducing the volume of gas that needs to be transported, LNG allows for cheap, safe and long-distance transport of natural gas via tankers, railcars, and trucks. This process enables natural gas to be safely shipped from distant production sites to populated areas while avoiding the need to build expensive pipelines.
know more about Natural gas here
https://brainly.com/question/12200462#
#SPJ11
Compare and contrast agriculture on the high islands and the low islands of Oceania.
Answer:
These islands have fertile soils that support a wide variety of crop growth, including mangoes, pineapples, sugar cane, and yams. By contrast, the low islands lack fertile soils and adequate rainfall for widespread farming. Instead, most of the islanders living on low islands practice subsistence agriculture.
*High islands" generally refer to islands where the basalt rock from volcanic formation is still above the ocean's surface. *Low islands, by contrast, are islands composed of sedimented material, coral rubble, or uplifted coral reefs.
Answer:These islands have fertile soils that support a wide variety of crop growth, including mangoes, pineapples, sugar cane, and yams. By contrast, the low islands lack fertile soils and adequate rainfall for widespread farming. Instead, most of the islanders living on low islands practice subsistence agriculture.
*High islands" generally refer to islands where the basalt rock from volcanic formation is still above the ocean's surface. *Low islands, by contrast, are islands composed of sedimented material, coral rubble, or uplifted coral reefs.
Explanation:
1. Which two states have temperatures averaging in the 80s?
Hawaii and Florida are the closest stated to 80°F.
can you determine whether these factors have a warming or cooling effect on earth's surface?
Factors that contribute to cooling
-Black carbon aerosols and soot particles
-Tropospheric ozone (O3)
-Parts of Earth's surface with low reflectivity (low albedo)
-Nitrogen oxides (N2O) from denitrification and fossil fuel combustion
-Carbon dioxide (CO2) from fossil fuel combustion
-Methane (CH4) from decomposition and feedlots
Factors that contribute to warming
-Parts of Earth's surface with high reflectivity (high albedo)
-Condensed water vapor (cloud albedo)
The factors that contribute to warming are option A, B, D, E, G, and H, and the factors that contribute to cooling are option C and F.
Climate change is defined as the long-term shifts in temperatures and weather patterns. These changes may be natural or caused by human activities. The warming of the earth’s surface is caused by gain of heat while the cooling of the earth’s surface is caused by loss of heat.
The factors that contribute to warming effect on earth’s surface are black carbon aerosols and soot particles, tropospheric ozone (O3), parts of Earth's surface with low reflectivity (low albedo), nitrogen oxides (N2O) from denitrification and fossil fuel combustion, carbon dioxide (CO2) from fossil fuel combustion, and methane (CH4) from decomposition and feedlots.
The factors that contribute to cooling on earth’s surface are parts of Earth's surface with high reflectivity (high albedo), and condensed water vapor (cloud albedo).
Note: The question is incomplete. The complete question probably is: Determine whether these factors have a warming or cooling effect on earth's surface? A) Black carbon aerosols and soot particles. B) Tropospheric ozone (O3). C) Parts of Earth's surface with high reflectivity (high albedo). D) Parts of Earth's surface with low reflectivity (low albedo). E) Nitrogen oxides (N2O) from denitrification and fossil fuel combustion. F) Condensed water vapor (cloud albedo). G) Carbon dioxide (CO2) from fossil fuel combustion. H) Methane (CH4) from decomposition and feedlots.
Learn more about Climate change:
https://brainly.com/question/26648458
#SPJ4
THIS IS NOT REALLY GEOGRAPHY.. PLS HELP
Answer: There are 4
Explanation:
Answer:
I think the answer is Five.
Explanation:
B. 5