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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 does the force of gravity oppose?

Actually, gravity is an attraction. The theory goes that all matter attracts other matter. The big question is, "What part (particle) of an atom is the one responsible for this attraction (gravity)?" This is one of the mysteries that physicists are trying to solve in high-energy particle collisions. They are hoping to smash atomic particles together at such high speeds, with enough force to break them up into the most basic pieces possible. We suspect that some very basic particle-like the Higgs boson-may be the one that causes this attraction we call gravity.

Why is quartz sand a better tool of wind and water erosion than gypsum sand or calcite sand?

Quartz sand is more resistant to weathering and erosion compared to gypsum sand or calcite sand because quartz is harder and less soluble in water. Gypsum sand is softer and easily dissolves in water, while calcite sand is more susceptible to chemical weathering. As a result, quartz sand is able to withstand wind and water erosion more effectively over time.

How does the sun supply energy to earth?

The earth receives energy from the Sun in the form of radiation. The Earth reflects about 30% of the incoming solar radiation. The remaining 70% is absorbed, warming the land, atmosphere and oceans. For the Earth's temperature to be in steady state so that the Earth does not rapidly heat or cool, this absorbed solar radiation must be very nearly balanced by energy radiated back to space in the infrared wavelengths. Since the intensity of infrared radiation increases with increasing temperature, one can think of the Earth's temperature as being determined by the infrared flux needed to balance the absorbed solar flux.

The visible solar radiation mostly heats the surface, not the atmosphere, whereas most of the infrared radiation escaping to space is emitted from the upper atmosphere, not the surface. The infrared photons emitted by the surface are mostly absorbed in the atmosphere by greenhouse gases and clouds and do not escape directly to space.

Thus Solar radiation heat the earth

Is diastrophism considered an internal geomorphic process?

Yes, diastrophism is considered an internal geomorphic process. It refers to the deformation of the Earth's crust, which is caused by internal forces such as tectonic plate movements, faulting, and folding. This process contributes to the shaping of the Earth's surface through processes like mountain building and seismic activity.

What is the average temperature in the polar regions?

The average temperature in the polar regions can vary significantly depending on the season and location within the polar regions. In the Arctic, temperatures range from -34°C (-29°F) in winter to 10°C (50°F) in summer, while in Antarctica, temperatures range from about -60°C (-76°F) in winter to -20°C (-4°F) in summer.

What is an impact of organisms?

Organisms play a crucial role in ecosystems by influencing nutrient cycling, decomposition of organic matter, and maintaining biodiversity. They also contribute to the stability and resilience of ecosystems through interactions such as predation and competition.

Earth spins on its?

axis. The rotation of the Earth on its axis causes day and night as different parts of the Earth face towards or away from the sun. It takes approximately 24 hours for the Earth to complete one full rotation.

If earth rotate more slowly about it's axis your weight would?

If the Earth were to rotate more slowly about its axis, your weight would not change. Weight is dependent on the mass of an object and the gravitational pull of the Earth, which are not affected by the speed of the Earth's rotation.

Which plant phylum contains the tallest and most massive plants?

The plant phylum that contains the tallest and most massive plants is the Anthocerotophyta, which includes the group of plants known as hornworts. These plants can grow up to several feet in height and have a relatively large size compared to other plant phyla.

Temperature is a measure of which property of an object's particles?

Temperature is a measure of the average rate of movements molecules have. How much energy they have. Heat is that movement energy.

Straight is to strait as threw is to?

Throw is to through. "Straight" means not curved or bent, similar to "strait" meaning narrow or restrictive. Similarly, "throw" is an action, while "through" indicates movement from one side to the other.

Nitrogen utilized by most plants is derived from?

The nitrogen that most plants utilize is derived from the soil as nitrates or ammonium. Plants absorb these forms of nitrogen through their roots and use them to create proteins and other essential compounds for growth and development. Nitrogen-fixing bacteria in the soil also play a vital role in converting atmospheric nitrogen into forms that plants can use.

What do you call the lowest point of a wave?

The lowest point of a wave is called the trough. It is the point where the wave's amplitude is at its most negative value.

What are the mineral categories?

The main mineral categories are silicates (containing silicon and oxygen), carbonates (containing carbon and oxygen), sulfides (containing sulfur), oxides (containing oxygen), sulfates (containing sulfate group), and halides (containing halogen elements). These categories are based on the chemical composition of minerals.

Which processes remove water vapor from the air?

Condensation and precipitation are natural processes that remove water vapor from the air. Additionally, human activities such as air conditioning and dehumidifiers can also remove water vapor from indoor spaces.

How can you use the calculation of the climate ratio to determine the climate type?

We can calculate the climate ratio to determine the climate type.

  • if the climate ratio is less than 0.4 the climate type would be arid,
  • if the climate ratio is between 0.4 to 0.8 climate ratio would be semirid ,
  • if the climate ratio is between 0.8 to 1.2 climate type would be subhumid and
  • if the climate ratio is greater than 1.2 climate type would be humid.

The formula for climate ratio is p/Ep, where

  • p=precipitation
  • Ep=potential evapotranspiration.

When you go higher up does the air pressure get higher or lower?

Increasing altitude decreases air pressure. In other words, they are an inverse relationship -- as one goes up, the other goes down. This is why when low-altitude dwellers like along the coastlines travel to mountainous areas, they find it harder to breathe; the air is just thinner at high altitude.

Cooler air is more dense and sinks causing what kind of atmospheric pressure?

Cooler air is more dense and sinks, causing higher atmospheric pressure at the surface. This is because the higher density of cooler air molecules creates a greater weight and exerts more pressure on the underlying surface.

How does location affect number of daylight hours?

when a place or a country is near the eqater,than sunrays falls on it directly. but as it moves away from the eqater ,sunrays falls on it slanting ,so nights are longer. places near eqater have almost equal days and nights

A spit is formed through wave deposition?

A spit is usually formed by longshore drift, where materials like sand and pebbles are deposited by waves along the coastline. Over time, these materials accumulate and extend out into the sea, forming a spit.

The remains of extraterrestial particles that are found on Earth's surface is called?

Extraterrestrial particles found on Earth's surface are known as micrometeorites. These tiny fragments originate from comets, asteroids, and other celestial bodies that enter Earth's atmosphere and settle on the planet's surface. Scientists study micrometeorites to learn more about the composition and history of our solar system.

How do Earth's landforms affect Earth's water supply?

Earth's landforms, such as mountains and valleys, can influence the distribution of water by affecting how water flows across the surface, how it is stored in aquifers, and how it evaporates or precipitates. Mountains can block rain clouds, leading to more rainfall on one side and less on the other, while valleys can collect and channel water. Landforms also impact the amount and quality of water available for human use and ecosystems.