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Meteorology (Atmosphere) E.S.11

QuestionAnswer
What did Earth's earliest atmosphere contain that floated into space? Hydrogen and helium
Why did the hydrogen and helium gasses float into space? Because Earth's gravity wasn't strong enough to hold them.
Plants and oceans are ______ ________, meaning they reduce the amount of carbon dioxide. Carbon sinks
________ is controlled and changed by a number of factors such as reflectivity of the surface, the amount and types of gases in the atomsphere, amount of cloud cover, volcanic eruptions, vegetation cover and meteor impacts. Climate
What reflects better than land? Oceans
What reflects better than land and ocean waters? Ice and snow
What has a high reflectivity and prevent heat from reaching the surface? Clouds
Why can volcanic eruptions decrease temperature? Because of the ash blocking the sunlight or by ash increasing the amount of condensation nuclei in the atmosphere which makes clouds that block sunlight.
What has no atmosphere and no greenhouse affect? Mercury
How much of Earth's atmosphere is nitrogen? 78%
How much of Earth's atmosphere is oxygen? 21%
How much of Earth's atmosphere is trace gasses? 1%
What did humans add to the atmosphere by burning fossil fuels? Carbon dioxide
CFC (Man-made chemicals) have reduced what in the upper atmosphere? Ozone
Created by: jaguargirl3250
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