Biology B3 4.5 Global warming.

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What is happening to Earth's climate?
It is getting warmer.
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What dos global warming affect?
Living organisms.
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What happens to the atmosphere in the normal balance of nature?
Carbon dioxide is released into the air by respiration and removed by plants and algae in photosynthesis.
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Other than photosynthesis, how else is carbon dioxide removed from the atmosphere?
It is dissolved in oceans, rivers, lakes and ponds.
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What do we say happens to carbon dioxide by plants and water?
We say that the carbon dioxide is sequestered by plants and water.
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What is increasing in the atmosphere?
Levels of carbon dioxide and methane.
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What is the carbon dioxide and methane in the atmosphere called?
Greenhouse gases.
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What do greenhouse gases cause?
The greenhouse effect.
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What do most scientists believe the an increase in greenhouse gases contributes to?
Global warming.
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What may an increase in the Earth's temperature of only a few degrees celsius cause?
Big changes in the Earth's climate, a rise in sea level due to melting of ice caps and glaciers, reduce biodiversity, cause changes in migration patterns (birds etc) and result in changes in the distribution of species.
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how is carbon dioxide sequestered?
Carbon dioxide is removed from the air by plants in photosynthesis and by dissolving in oceans, rivers and lakes.
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Why might sea levels rise in the future?
If the climate gets warmer the ice will melt.
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** QUESTIONS ABOUT THE ENVIRONMENT OFTEN INCLUDE GRAPHS AND OTHER DATA ***
**MAKE SURE YOU REFER TO THE DATA IN YOUR ANSWERS***
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Card 2

Front

What dos global warming affect?

Back

Living organisms.

Card 3

Front

What happens to the atmosphere in the normal balance of nature?

Back

Preview of the front of card 3

Card 4

Front

Other than photosynthesis, how else is carbon dioxide removed from the atmosphere?

Back

Preview of the front of card 4

Card 5

Front

What do we say happens to carbon dioxide by plants and water?

Back

Preview of the front of card 5
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