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6.7a - Atmosphere
Atmospheric Composition
Question | Answer |
---|---|
Air contains the gaseous state of water called _______ _________. | water vapor |
_____ is the amount of water vapor in the air. | Humidity |
Some atmospheric particulates pollute the air and may make it unhealthy to breathe. | True |
Without greenhouse gases, nighttime temperatures would be extremely _____. | cold |
Earth's _____________ helps keep the Earth's atmosphere and water close to the Earth's surface, which makes Earth the only planet where life can exist. | gravity |
Air is a mixture of gaseous elements and _______________. | compounds |
What element makes up the largest proportion of air? | Nitrogen - 78% |
The mixture of air includes: _____. | nitrogen, oxygen, argon, and carbon dioxide along with other trace elements. Water vapor is also a part of air's composition. |
Without the _________________, there would be no clouds or rain. | atmosphere |
Earth’s atmosphere is dynamic and comprised of interacting and interdependent ______________. | elements |
Greenhouse gases _____ heat in the atmosphere. | trap |
Weathering would not happen without the atmosphere. (True or false) | true |