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Earths atmosphere is dominated by which two gases?
Nitrogen and Oxygen are the two main constituents of air.
How do gases in earth's air differ from place to place?
as molten rock cools, gases such as nitrogen, water vapor, and carbon dioxide were released. Some of the gases were trapped within earth , then many escaped as volcanoes erupted. but the atmosphere didn't always have the oxygen it has today. as plants spread across the planet they took in carbon dioxide from the atmosphere and released oxygen into the planet.
How does air affect earths atmosphere?
Air IS the Earth's atmosphere, so it doesn't affect it.
What are atmosphere gases?
atmosphere gases are made of air
What is the percentage of oxygen in earths air?
21% of the air is oxygen
Earths atmosphere is dominated by which two gases?
Nitrogen and Oxygen are the two main constituents of air.
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
How do gases in earth's air differ from place to place?
as molten rock cools, gases such as nitrogen, water vapor, and carbon dioxide were released. Some of the gases were trapped within earth , then many escaped as volcanoes erupted. but the atmosphere didn't always have the oxygen it has today. as plants spread across the planet they took in carbon dioxide from the atmosphere and released oxygen into the planet.
Is air an example of pure substance?
No. Air is not pure substance. Air has all dust and dangerous gases with it. From place to place its composition changes.
Tiny air sacs where the exchange of gases between air and blood takes place?
alveoli
Why exchange of gases occur more efficently in air than in water?
Because in air the diffusion of gases takes place more quickly than in water.
What is the difference between heat and air?
heat is hot, air is cold Heat and air differ in every respect; heat is a form of energy that is transferred by a difference in temperature, and air is a mixture of gases.
What are the tiny air sacs called where the exchange of gases between air and blood take place?
Alveoli.
Where in the body are Tiny air sacks where the exchange of gases between air and blood takes place?
the lungs
When does air become wind?
air is a mixture of many gases such as nitrogen, oxygen, carbon dioxide and noble gases. when these gases move from one place to another(usually from their higher concentration to their lower concentration) it is called wind...wind is basically moving air
How does air affect earths atmosphere?
Air IS the Earth's atmosphere, so it doesn't affect it.
Where is earth air the thinnest?
the earths thinnist air is Uganda
