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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

How are the poles of earth fixed?

The poles of Earth are fixed due to the planet's axial tilt and rotation. The North Pole points towards the North Star, Polaris, creating a stable reference point. This axial alignment allows Earth to maintain its axis orientation despite movements in its orbit.

What can happen to sludge even when its dumped several kilometers offshore?

Even when dumped several kilometers offshore, sludge can still cause harm to marine life and ecosystems due to its potential to drift with ocean currents, affecting aquatic organisms. It can also lead to the smothering of benthic habitats and damage to the seabed. Additionally, there can be long-term effects on water quality and sediment composition.

What month is the hottest month in Ohio?

The hottest month in Ohio is typically July, with temperatures reaching their peak during this time.

What is the life of soul under earth?

There is no scientific evidence to suggest that the soul exists or has a life under the earth. Different cultures and religions have different beliefs about the afterlife, but it is ultimately a matter of personal or spiritual belief rather than a proven fact.

How were the palouse hills formed?

Very large basaltic lava flows covered the region until 15 thousand years ago when it was pounded by one of the largest glacial outburst floods every recorded.

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What are the large land masses of the earth called?

The large land masses of the Earth are called continents. There are seven continents: Africa, Antarctica, Asia, Europe, North America, Australia, and South America.

Does not let water pass through it?

A waterproof material does not allow water to pass through it due to its water-resistant properties and tightly sealed structure. This feature is commonly found in materials like rubber, plastic, and certain fabrics that are treated to be impermeable to water.

How do a valley glacier form?

Continental and valley glaciers both develop in regions where there is constant snowfall and freezing temperatures throughout the year. Both types of glaciers move at a very slow pace.

How do a pupa breathe?

During the pupa stage of development, an insect undergoes metamorphosis and does not actively breathe. Instead, gas exchange occurs through small openings in the outer casing of the pupa, allowing oxygen to enter and carbon dioxide to exit. This process is sufficient to meet the minimal oxygen needs of the pupa until it emerges as an adult insect.

Is the iron is formed under Earth's crust?

No. the element iron requires the heat and pressure of a sun like ours to be able to form iron atoms. But our Sun did not produce the iron we have. The iron we have on Earth was made in a larger star that went nova.

This iron was amongst the debris field from which coalesced the Earth.

In early times, when oxygen levels were quite low, it is believed that much of the iron would have been dissolved in the oceans and they would have been rather green. After the algae invented photosynthesis, this increased the O2 content of the atmosphere, and the iron was precipitated out as the Banded Iron Deposits, which form much of the important iron deposits worked today.

When is chemical weathering most rapid?

Chemical weathering is most rapid in warm and humid environments where there is abundant water to facilitate chemical reactions. The presence of carbon dioxide in the atmosphere can also speed up chemical weathering by forming carbonic acid when it dissolves in rainwater. Additionally, the presence of certain minerals and rocks that are more susceptible to chemical breakdown can also contribute to faster rates of chemical weathering.

What are three ways soil can be damaged or lost?

Soil can be damaged or lost through erosion, which occurs when wind or water carries away the top layer of soil. Soil can also be degraded by chemical pollution from fertilizers or industrial runoff. Lastly, soil can be lost through deforestation, which removes vegetation that helps to protect and maintain the soil structure.

Is a rock considered odorless?

Yes, rocks are considered odorless because they do not release any aromatic compounds that can be detected by the human nose.

How are lava plateaus and dome mountains the same?

Lava plateaus and dome mountains are both volcanic landforms that form from the extrusion of lava onto the Earth's surface. They are typically characterized by their broad, flat tops and gentle slopes. Both landforms result from the accumulation of lava over time and can be associated with effusive volcanic eruptions.

What is the weakness of the seafloor Spreading Theory?

One weakness of the seafloor spreading theory is the question of what drives the movement of the tectonic plates apart in the first place. The mechanism behind this driving force is still not fully understood. Additionally, there are discrepancies in the rate of spreading and the age of the oceanic crust in certain regions, leading to some uncertainties in the theory.

How is a folded mountain range formed?

A folded mountain range is formed when tectonic plates collide, causing the Earth's crust to fold and buckle under the pressure. The compressional forces push the rock layers upwards and create long ridges and peaks. Over millions of years, erosion can further sculpt these features into the distinctive shape of folded mountain ranges.

Why do you need to record he data gathered in an experiment?

Recording data in an experiment is crucial for analysis and interpretation. It allows researchers to track changes, observe patterns, and draw conclusions based on the results obtained. Additionally, recorded data serves as a reference point for replication of the experiment and provides transparency in the research process.

What Horizon has the highest amount of organic material?

The uppermost layer of the soil, known as the O Horizon, contains the highest amount of organic material. This layer consists of decomposing plant and animal matter, as well as living organisms like fungi and insects that aid in the decomposition process.

What is the last thing on Earth?

It's impossible to determine the absolute last thing on Earth, as events and objects constantly change. However, some may say that the last thing on Earth will be the eventual extinguishing of all life due to natural processes or catastrophic events.

Who gave earth its first name?

to all those who believe in science than god,first name on earth is cell.but people named it a bit late. lol

Where can deflation occur?

if you are talking about price deflation it can occur any where.

In places that use fiat currency it is somewhat unlikely because initiating a deflation causes a recession and because the people controlling the money have to sacrifice purchase in order to take money out of circulation.

In places that use commodity currency it can happen if their is a decline in the production of the commodity or an increase in demand.

If you are talking about wind deflation this is most likely to happen when their is an non smooth surface such as a hill or mountain.

How did Jean Foucault proved that the earth is rotating?

A2. Foucalt invented the Foucalt Pendulum, by observing that a long massive pendulum would rotate gradually, its plane of oscillation. Of course, the plane of oscillation is not moving - it is the earth that is moving.

I remember a fine Foucalt Pendulum display at the Smithsonian in Washington D.C. Well worth the 10 min or so to watch its progression.

At the poles, the period of a full rotation of the pendulum's plane will be 24 hours. At the Equator, the plane of the pendulum will remain fixed.

A1. He is wrongly credited with inventing the "Gyroscope". It also is used to prove that the Earth Rotates.

What component would you least likely find in the Earth's mantle?

You would least likely find water in the Earth's mantle. The mantle is composed mainly of solid rock minerals, with little to no water present due to the high temperatures and pressures found at that depth.

How long is it before a volcano is extinct?

An extinct volcano must have not erupted in historical times (when history was first recorded). It takes many many years to distinguish an extinct volcano from a dormant one, and it is very difficult too. An example would be the Fourpeaked Mountain in Alaska, which prior to September 2006, is not believed to have erupted since earlier than 7994 BC! Mostly, it takes about 5,000 to 6,000 years for a dormant volcano to be considered extinct, except in rare cases. Another would be the hotspot theory. Whenever a volcano island moves away from the hotspot, the magma source is cut off, and the volcano is considered extinct. An example would the Hawaii Chain Islands.

What is the theory that explains the source of Earth's magnetic field called?

The source of Earth's magnetic field is best explained by _____.domains

the dynamo theory

Coulomb's law

electrostatics