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The earth's atmosphere is composed primarily of nitrogen and oxygen. Nitrogen is 78 percent of the atmosphere, while oxygen is 20 percent of the atmosphere. The remaining two percent is made up of Argon (0.9340%), Carbon dioxide (0.0397%), Neon (0.001818%), Helium (0.000524%), and Methane (0.000179%). The atmosphere also includes water vapor. It is less than 0.25% of the atmosphere as a whole, but may be between one and five percent in any given area.
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What makes up Earth's air?
Earth's air is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with traces of other gases such as argon, carbon dioxide, and water vapor. These gases make up the atmosphere, which envelops the planet and is essential for sustaining life.
Why are the amount of gases in the atmosphere usually shown as percentages of dry?
It is simpler because the amount of water vapor in the air can change.
Most of Earths dry air is made up of whAT?
Most of Earth's dry air is made up of nitrogen (about 78%) and oxygen (about 21%). Other gases such as argon, carbon dioxide, and water vapor make up the remaining composition.
Why are the amounts of gases in the atmosphere usually shown as percentages of dry air?
The amount of water vapor in the air changes significantly with location and temperature. so a listing of percentage of gasses in the atmosphere would be different depending on how much water was in the air sampled. That would not be useful, because the other gases in the atmosphere do not change all that much. So it is more helpful to describe the making of the atmosphere as dry air (containing no moisture) and then adjust if needed for the humidity at any one place and time.
What is the air above the earths surface called?
The layer of air above the Earth's surface is called the atmosphere. It is composed of various gases and extends several kilometers into space.
Why is the amount of gases in the atmosphere usually shown as percentages of dry air?
Showing the amount of gases in the atmosphere as percentages of dry air allows for easy comparison and analysis of the composition of the atmosphere. Since the composition of dry air is relatively stable, expressing the gases as percentages of dry air helps to standardize the data for scientific purposes.
What are two the most common gasses found in air and what are their percentages?
Gases in air are nitrogen about 79%, oxygen about 20% and other gases 1%
What percentages of gases in the air?
Nearly 100% of air is gas. The rest is particulate matter: dust, pollen, and also tiny organisms.
What is the air that makes up earths atmosphere?
Earths atmosphere is 78% nitrogen,21%oxygen,0.9% argon,and 0.03% carbon dioxide with very small percentages of other elements
What are the percentages of the top three gas of air?
Air is made up of 78% nitrogen, 20.95% oxygen, 0.93% argon plus traces of other gases.
Why are the amounts or gases in the atmosphere usually shown as percentages of dry air?
Showing the amounts of gases in the atmosphere as percentages of dry air allows for easier comparison and understanding of their relative concentrations. It provides a standardized framework that eliminates the variability that water vapor would introduce, making it simpler to analyze and compare the composition of the atmosphere.
Why are the amount gases in the atmosphere usually shown as percentages of dry air?
Showing gas concentrations as percentages of dry air allows for easier comparison of the relative amounts of different gases in the atmosphere. Dry air is a consistent reference point because its composition is relatively stable, making it a convenient baseline for expressing variations in gas concentrations.
How is pressure measured with a barometer?
by the earths gravitational pull the barometer can measure the amount of air pressure in the air, also because of carbons gases
What makes up Earth's air?
Earth's air is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with traces of other gases such as argon, carbon dioxide, and water vapor. These gases make up the atmosphere, which envelops the planet and is essential for sustaining life.
Why are the amount of gases in the atmosphere usually shown as percentages of dry?
It is simpler because the amount of water vapor in the air can change.
What gases make most of your air?
oxygen
What does air pollution do to animals?
It will make them suffocate from thepoisnous gases in the air.
