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meterology

atmospheres

QuestionAnswer
what is unique about our atmosphere because it contains substantial amounts of oxygen
when has the earths atmosphere changed? over geologic time.
what did earliest atmosphere contain contained hydrogen and helium which floated into space because the Earth’s gravity was not strong enough to hold those gases. After the moon formed the atmosphere contained mainly carbon dioxide, carbon monoxide and water vapor.
what changed the atmosphere Photosynthesis changed the atmosphere and reduced the amount of carbon dioxide and added oxygen.
what absorbs more heat Vegetation absorbs more heat than non-vegetated areas
what decreases temperatures Volcanic eruptions can decrease temperatures because of ash blocking sunlight directly or by ash increasing the amount of condensation nuclei in the atmosphere which facilitates the making of clouds which block sunlight.
what is the earths current atmosphere Earth’s current atmosphere is 78% nitrogen, 21% oxygen and 1% trace gases.
what activity affects the atmosphere ability to hold heat and why Biologic activity affects the atmosphere ability to hold heat (greenhouse effect). In spring and summer when plants become more active they decrease the amount of carbon dioxide and this causes a decrease in the temperatures.
how is climate controlled and changed Climate is 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.
how do we have carbon dioxide in the atmosphere We have added carbon dioxide to the atmosphere through the burning of fossil fuels
Created by: DayjaMParrish
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