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Atmosphere
Question | Answer |
---|---|
Atmospheres are high in ___ and ___ | Hydrogen and helium. |
How is the atmosphere warmed? | Conduction, Convection, and Radiation |
What is conduction? | Air molecules are heated and they heat all air molecules around them. |
What in convection? | Less dense air rises and warms the air around it. |
How is the pressure of the atmosphere measured? | Barometter |
Mercury has no ____. | Atmosphere |
Mars atmosphere is _____________. | Thin and has no green house effect and is cold. |
What percent of the Earth's atmosphere is nitrogen? | 78% |
What percent of the Earth's atmosphere is oxygen? | 21% |
What percent of the Earth's atmosphere is trace gases? | 1% |