click below
click below
Normal Size Small Size show me how
Atmosphere
Question | Answer |
---|---|
What percent of the Earth is oxygen? | 21% |
What caused dinosaurs to go extinct? | Meteors |
What has reduced the amount of ozone in the upper atmosphere? | Man Made Chemicals |
How does carbon dioxide get into the atmosphere? | By the burning of fossil fuels |
True or False: Ocean water reflects better than land | True |
What reduced the amount of carbon dioxide? | Plants and oceans |
Why is our atmosphere unique? | It contains substantial amounts of oxygen |
True or False" Non-Vegetated areas absorbs more heat than Vegetated areas. | False |
What planet has no atmosphere or green house effect? | Mercury |
What reduces the amount of oxygen in the atmosphere? | Oxidation of metals and animals |