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Atmosphere
10 cards
Question | Answer |
---|---|
What causes the reduction of oxygen? | Oxidation |
Has the Earth's atmosphere change over geologic time? | Yes |
What are two carbon sinks? | Plants and oceans |
Why can volcanic eruptions decrease the global temperature? | Ash blocking the sun directly |
Why can meteor impacts set off forest fires? | From large amounts of dust in the air |
What is Earth's current atmosphere made up of? | 78% nitrogen, 21% oxygen, and 1% trace gases |
How does biologic activity affect Earth's atmosphere? | By affecting the ability to hold heat |
What will cause global warming? | Water vapor, carbon- dioxide, and clouds trapping heat |
How is climate controlled and changed? | By the reflectivity of the surface, the amount, and the type of gases in the atmosphere, amount of cloud cover, volcanic eruptions, etc. |
What planet is extremely hot, has high amounts of carbon- dioxide, and has a runaway greenhouse affect? | Venus |