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Atmospheres

QuestionAnswer
What did the earliest atmosphere contained? Hydrongen and helium
Photosynthesis changed the atmosphere and ? amount of carbon dioxide and added oxygen.
What is the climate controlled and changed by ? a number of factors such as reflectivity of the surface, the amount and types of gases in the atmosphere, amount of cloud cover, volcanic eruptions, vegetation cover and meteor impacts.
What is the earth current atmospere ? 78% nitrogen, 21% oxygen and 1% trace gases.
what can decrease temperatures? Volcanic eruption.
What is mars Atmospheres ? thin and has no greenhouse effect and is cold.
This composition can change because of _________ human activity
Biologic activity affects the atmosphere ability to hold ______ heat
What kills the plants , which increase carbon dioxide and warm areas ? changing of landscapes.
_________ absorbs more heat than _______ areas Vegetation , nom-vegetated
Created by: Holmesac
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