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- Atmosphere -

ES. 11

QuestionAnswer
Earth's atmosphere has changed over what time? Geologic
Earliest atmosphere contained what and what? Hydrogen and Helium
Plants and oceans are a ________ sinks. Carbon
True or False: Oxidation of metals and animals are oxygen sinks which reduce the amount of oxygen in the atmosphere. True
What and what reflect better than land and ocean water (climate)? Ice; snow
What are good insulators that trap heat and will cause global warming? Water vapor, carbon dioxide and clouds
What absorbs more heat than non-vegetated areas? Vegetation
Volcanic eruption may set off ______ fires or _____ fires that add smoke and ash to the atmosphere. Forest; wild
What can increase the amount of volcanic eruptions on Earth? Meteor impacts
True or False: Mercury has no atmosphere. True
What percent nitrogen is the Earth's current atmosphere made of? 78%
Created by: banton
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