4.3 Flashcards

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1
Q

Greenhouse effect

A

The warming of the planet through greenhouse gasses.

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2
Q

Greenhouse gasses

A

Gasses that catch light and heat and trap it in the atmosphere.

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3
Q

Positive feedback loop

A

When A makes B, which makes more of A.

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4
Q

Negative feedback loop

A

When A makes B, which lowers the count of A.

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5
Q

What greenhouse gases do

A

They trap heat and trap the light reflecting off the earth.

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6
Q

Why the greenhouse effect is important

A

It is important because we add to much co2 when we burn fossil fuels which then adds to the atmosphere, warming the planet.

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7
Q

How humans have affected the greenhouse effect

A

We burn co2 in factories or at home to fuel our daily lives, which contribute to the high co2 levels.

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8
Q

What ice cores tell us about the patterns of CO2 and temperature for the past 800,000 years

A

They can fluctuate and we are reaching record highs.

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