4.4 Earth's Atmosphere Flashcards

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1
Q

What are the gases that makeup Earth’s atmosphere?

A

Nitrogen (~78%), Oxygen (~21%), Argon (~0.93%), Water Vapor (~0-4%), CO2 (~0.04%)

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2
Q

Characteristics of the Earth’s Layers

A

Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere (Three silly monkeys tickled elephants)

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3
Q

Thermosphere

A

temperature increases due to absorption of high energetic solar radiation, hottest place on earth

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4
Q

Mesosphere

A

temperature decreases because density decreases, leaving fewer molecules to absorb the sun, coldest place on earth

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5
Q

Stratosphere

A

temperature increases because the top layer of stratosphere is warmed by UV rays

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6
Q

Troposphere

A

temperature decreases as air get further from the warmth of the earth’s surface

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