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What is the Earth’s Atmosphere made of?

Last updated on August 31, 2019

The atmosphere of the earth is made up of several different gases.

NITROGEN – 78%

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A gas that can be ” fixed” in the soil, as well as loose in the atmosphere. plants need nitrogen from the soil to survive.

OXYGEN – 21%

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Essential for animals to breathe, oxygen was absent until microbes evolved that could use sunlight to turn carbon dioxide and water into carbohydrates, releasing oxygen.

ARGON – 0.9%

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An inert gas.

OTHER – 0.1%

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Thes include carbon dioxide, which was once abundant, but now is mostly incorporated into materials such as limestone rock.

-Wild Chronicle

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