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Chemistry > Earth and atmosphere: the atmosphere > Flashcards

Earth and atmosphere: the atmosphere Flashcards

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1
Q

What is an atmosphere?

A

an atmosphere is a layer of gases surrounding a planet or other celestial body.

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2
Q

How much oxygen is in the atmosphere?

A

21%

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3
Q

How much nitrogen is in the atmosphere?

A

78%

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4
Q

How much carbon dioxide is in the atmosphere?

A

0.037%

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Chemistry (18 decks)

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