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mina [271]
3 years ago
8

Number 4,5,6 ! Please helps me

Biology
1 answer:
Vlad [161]3 years ago
4 0
For questions four plants make their own food which is oxygen gas. This oxygen gas, is an important part of the air, the gas that plants and animals must live on. When people breathe, it is oxygen that we take out of the air to keep our cells and bodies alive. 

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