atmoshpere Flashcards

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1
Q

atmosphere

A

all gases that surround the planet

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2
Q

outer layer of world

A

crust

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3
Q

next layer

A

mantle

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4
Q

third layer

A

outer core

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5
Q

last layer

A

inner core

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6
Q

early atmosphere

A

really hot
water vapour filled the atmosphere
volcanos released co2

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7
Q

modern atmosphere

A

algae evolved and photosynthesised
water condensed forming oceans co2 dissolves in oceans

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8
Q

nitrogen
oxygen
carbon dioxide
argon

A

n-80%
o-20%
cd-0.04%
a-~1%

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9
Q

carbon cycle

A

photosynthesis
respiration
dead-02 bacteria decompose organic matter they respire releasing co2
combustion of fuel releases co2

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