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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

What is a hill of sand formed by wind?

A hill of sand formed by wind is known as a sand dune. Sand dunes are created when wind blows sand particles across an area, depositing them in piles or mounds. Over time, these dunes can shift and change shape due to the continuous action of the wind.

How have scientists been able to determine the composition of Earth's layers?

Severals methods are all combined to give the scientist info on the layers of the Earth. For example they study the influence of the earth on orbits of the moon and other planets (mass distribution of the earth, mass density). They study the way seismic waves go through the earth which gives knowledge of layers. They use wave to sound. They examine sample of earth.

Give one property of metal foil which makes it a good material to use as a switch?

One property of metal foil that makes it a good material to use as a switch is its high electrical conductivity. This property allows for efficient flow of electrical current through the foil, making it an ideal material for conducting electricity in a switch mechanism. Additionally, metal foil is malleable and can be easily shaped or bent to create the desired switch design. Lastly, metal foil is durable and can withstand repeated use without significant degradation, making it a reliable choice for switch applications.

What is non example orbits?

Non-example orbits are trajectories of objects in space that do not follow a predictable, regular path around a central body. This could include objects that follow hyperbolic or parabolic paths, or objects that do not travel in a closed loop around a central body. Examples of non-example orbits could include comets with highly eccentric paths or interstellar objects passing through a solar system.

Is it justified to prevent tribals from staying in the core area of the forest?

no it is not justified to prevent tribal from staying in the core area of the forest as they are not harming any thing there.

In fact they are helping to keep our environment pollution free by growing trees, plants, etc. They help grow the communities and all they do is to care and nurture the plants. But if u see in another way, most of the times they kill animals for food and rarely depend on the fruits and veggies produced by the plants.......

What are two branches of earth science that rely on other areas of science?

Two branches of earth science that rely on other areas of science are:

  1. Geochemistry, which combines principles from chemistry and geology to study the chemical composition and processes of Earth.
  2. Seismology, which integrates principles from physics and geology to study earthquakes and the behavior of seismic waves within the Earth's interior.

What is the water holding capacity of alluvial soil?

Well, darling, the water holding capacity of alluvial soil can vary depending on its composition, but on average, it can hold around 25-30% of its volume in water. Just remember, alluvial soil is like a sponge - it can soak up a good amount of water, but don't go drowning your plants in it!

What is the use of a zeptometer?

Oh, a zeptometer is a tiny unit of measurement, even smaller than a nanometer! It's so small that it can help scientists measure things at the atomic and subatomic level, like the size of particles or the distance between atoms. Just imagine the wonders we can discover when we explore the world at such a small scale.

Is the inner core solidliquid or gas. what keeps it in this phase?

The inner core of the Earth is solid, honey. It's hotter than a summer day in Death Valley, but the pressure down there is so intense that it keeps it solid. Think of it like trying to melt a popsicle in a sauna - not gonna happen.

Why is patogonia the driest place on earth?

Oh, dude, Patagonia isn't actually the driest place on Earth. That title goes to the Atacama Desert in Chile. It's like the Sahara, but with even less moisture. So, yeah, Patagonia is known for its stunning landscapes and rugged beauty, but it's definitely not winning any awards for being the driest place on Earth.

What percentage of US is desert?

about 1/3

>> "about 1/3"?! Who wrote that? 70.8% of the earth's surface is water. If desert is a third of the planet, then there's absolutely nowhere left for humans and animals to live. I'm pretty sure there are some trees still left on the planet. Desert is defined as either land that has less than 50mm rain each year or land which cannot sustain life. This includes antarctica. 29.2% of the earth's surface is land. About 25% of the earth's surface is desert. Which leaves only 4.2% of the earth's surface as inhabitable and to be shared by 6.75billion people and countless billions of animals. >>>>> The person probably meant that about 1/3 of the earth's land surface is desert. Making it about 10% of the total surface of the earth as water is around 70%.

What do hematite and brick have in common?

Well, isn't that just a happy little question! Hematite and brick both share a beautiful deep red color that can bring warmth and coziness to any scene. They also both come from the Earth, reminding us of the natural beauty that surrounds us every day. Just imagine painting a serene landscape with these lovely colors, bringing peace and harmony to your canvas.

When was earth diameter first estimated?

Eratosthenes of Cyrene (276 BC - 194 BC) was a Greek mathematician, poet, athlete, geographer and astronomer. He made several remarkable discoveries and inventions: he devised a system of latitude and longitude. He was the first person to calculate the circumference of the Earth with remarkable accuracy, and the tilt of the earth's axis.

How long does a water molecule spend in a cloud?

The amount of time a water molecule spends in a cloud, known as its residence time, can vary depending on several factors, including weather conditions, cloud type, and atmospheric dynamics. On average, a water molecule remains in a cloud for about 9 to 10 days before it precipitates out as rain, snow, or ice.

What conditions are necessary for the Earth to maintain liquid water on its surface?

For Earth to maintain liquid water on its surface, it needs to have a stable atmosphere with the right temperature range, a sufficient amount of water, and a magnetic field to protect against solar radiation.

Why is liquid water important for sustaining life on Earth?

Liquid water is important for sustaining life on Earth because it serves as a solvent for essential biochemical reactions, helps regulate temperature, supports the growth of organisms, and provides a habitat for various species to thrive.

What are the 3 agents of mechanical weathering?

What are three agents or causes of mechanical weathering?

What layer of the earth is the life layer?

The layer of the Earth that supports life is the biosphere, which includes the atmosphere (air), lithosphere (land), and hydrosphere (water). Life exists primarily on the surface of the Earth, where it can interact with these different layers.

Show me some examples of renewable resource?

One example for a renewable resource would be biogas. It is produced by microorganisms and can be burnt to produce energy. All the microorganisms need is organic material, e.g. corn is used a lot. Further examples: Solar energy, wind energy, water, etc.

If the Earth's axis was not tilted?

If the Earth's axis was not tilted, we wouldn't experience seasons as we do now. This would result in more consistent and less varied weather patterns throughout the year. It would also affect the distribution of sunlight on Earth, potentially impacting ecosystems and climate in different ways than we see today.