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Earth Sciences

Earth Sciences is the study of the Earth in terms of Geography, Geology, Geophysics, etc. It combines the use of Sciences such as Biology, Chemistry, Physics and Mathematics to understand the Earth System.

34,763 Questions

Does mica have fracture?

Yes, mica typically exhibits a basal or micaceous cleavage rather than a distinct fracture. This cleavage causes mica to break along flat, thin sheets.

A common gas in your atmosphere essential for plants?

Carbon dioxide is a common gas in Earth's atmosphere that is essential for plants. Through the process of photosynthesis, plants use carbon dioxide to produce energy in the form of glucose, releasing oxygen as a byproduct. This exchange of gases is crucial for the survival of both plants and animals on our planet.

What is the process called when the tiny droplets come together and form bigger drops and fall to earth?

The process is called coalescence, where smaller water droplets in clouds collide and merge together to form larger droplets. When these droplets become heavy enough, they fall to the ground as precipitation, such as rain or snow.

How can you prepare for a mass movement?

Prepare for a mass movement by organizing a communication plan to keep participants informed, coordinating with local authorities for permits and safety measures, and establishing a security team to handle potential disruptions. Additionally, provide resources such as water, first aid supplies, and legal support for participants.

When a piece of wood burns it releases?

When a piece of wood burns, it releases heat energy, water vapor, carbon dioxide, and ash.

How long does it take the earth to make one spin?

for a rotation is takes like 365 days

or like 365 1/4 days

Which atmospheric layer has the greatest range of temperature?

The atmospheric layer that has the greatest range of temperature is the troposphere. In the troposphere, water vapor plays a huge role in the fluctuation of temperatures.

How and why are the oceans stratified by density?

a stratification is a term generally used for layering of sediments. Thus a "stratified" ocean is one in which a layer of sediments accumulate at the bottom of the ocean and over time, sediment infill from the continents fill up small local areas around the points where fresh water meets saline ocean water. These areas fill with so much sediments, eventually they become stratified with sediment layers and dry up.

Why is ice wedging most obvious in the mountains?

Ice wedging occurs where there are freeze thaw cycles and is particularly noticable where there is exposed rock, and soil and vegetation are not concealing it. This means it is more obvious at high altitudes.

Which part of the solar electromagnetic spectrum has the maximum intensity?

The visible light region of the solar electromagnetic spectrum has the maximum intensity. This is the range of wavelengths that our eyes are sensitive to, making it the most prominent part of the spectrum for us.

In which direction does the earth rotate looking up at the north pole?

When looking up at the North Pole from above, the Earth appears to rotate counterclockwise or eastward. This rotation gives us our day and night cycle as different parts of the Earth are either facing towards or away from the Sun.

How can sudden events effect earth?

Sudden events like earthquakes, volcanic eruptions, and asteroid impacts can have significant impact on Earth by causing destruction of infrastructure, loss of life, and changes in the environment. These events can alter landscapes, disrupt ecosystems, and even affect global climate patterns in the short and long term.

Blowing sand dropped by wind when an obstacle is met?

Sand particles carried by wind lose momentum when they encounter an obstacle, causing them to settle and accumulate around the obstacle. The pile of sand that forms is known as a sand dune, and the process is called sand deposition. This can lead to the formation of unique landscapes such as deserts or sandy beaches.

What is the lightest living thing in the world?

We don't have a good enough definition of "living thing" to answer this definitively. If viruses count, then it's probably a retrovirus, unless nanobes count in which cases it's a nanobe, unless prions count in which case it's almost certainly a prion. If none of those count, then a bacterium of some kind.

Causes the cold winter winds that chill much of the central US?

The cold winter winds that chill much of the central US are primarily caused by the movement of Arctic air southward into the region. High pressure systems and the jet stream also play a significant role in channeling this frigid air mass towards the central US, leading to the cold temperatures and chilling winds experienced during the winter months.

What year was conduction discovered?

Conduction was first discovered in the 19th century, with significant contributions from scientists such as Jean-Baptiste Fourier and Joseph Fourier. Their work laid the foundation for our understanding of heat conduction and the transfer of thermal energy.

What is the common name for graphite?

The common name for graphite is black lead.

What is the highest part of the land on earth?

Mauna Kea is the highest part of land located on the island of Hawaii, at around 39,000 ft. Don't be mistaken for Everest or Loa!

What is fossel fuels?

Fossil fuels are natural resources formed from the remains of plants and animals that lived millions of years ago. These resources, such as coal, oil, and natural gas, are burned to produce energy for electricity, transportation, and heating, but their use contributes to air pollution and climate change.

Downcutting streams and a youthful stage of valley evolution?

In a youthful stage of valley evolution, downcutting streams erode the land vertically, carving deeper channels and creating steep-walled valleys. These streams have high energy and are actively eroding the landscape, leading to the formation of V-shaped valleys characteristic of early stages of valley development.

What food do green plants produce?

•Glucose is soluble. It is transported in the plant as soluble sugars but stored as starch - which is insoluble, so it cannot escape from the cells. The stored starch can be turned back into glucose later and used to release energy by respiration. Starch and glucose can also be used by the plant to make

* •cellulose for their cell walls

* •proteins for growth and repair

* •fats and oils for storage by the plant

Why does the moon orbits the earth?

Gravitational forces cause the Earth to pull on the Moon, and the Moon to pull on the Earth (Earth is about 81 times as massive). Since the Moon is travelling with sufficient velocity, it does not fall into the Earth, but rather orbits around the Earth.

The mutual attractive force between the Earth and Moon, due to gravity, keeps the two bodies in a state of mutual revolution. If the force of gravity didn't exist, then the Moon would take off from the Earth in a straight line, and the Earth would likewise take off from the Sun.

How many organelles does a animal cell has?

An animal cell typically has multiple organelles, including the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and cytoskeleton. Each organelle carries out specific functions that are essential for the cell's survival and proper functioning.