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how is co2 removed from the atmosphere?
Through photosynthesis, the plants use the carbon to make carbohydrates, fats and protien in plants and algae.
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how to plants return some of the carbon into the atmosphere?
they respire, the rest of it becomes part of fats and protiens when animals eat it and becomes part of the food chain.
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How do animals give of co2 into the atmosphere?
when the animals respires, waste and death (the animals decays)
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what is combustion?
when useful animals and plant products (wood and fossil fuels) are burnt. this releases co2 back into the air.
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what is photosynthesis?
when plants use sunlight to synthesise nutri
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Other cards in this set

Card 2

Front

how to plants return some of the carbon into the atmosphere?

Back

they respire, the rest of it becomes part of fats and protiens when animals eat it and becomes part of the food chain.

Card 3

Front

How do animals give of co2 into the atmosphere?

Back

Preview of the front of card 3

Card 4

Front

what is combustion?

Back

Preview of the front of card 4

Card 5

Front

what is photosynthesis?

Back

Preview of the front of card 5

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