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Which is an example of how bacteria help keep the environment clean?

They can reduce oxygen in the air
They can decompose wyste
They can help develop medicines
They can slow digestion

2 Answers

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Answer:

the answer is B. They can decompose waste.

Step-by-step explanation:

User Francisco Junior
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Answer: they decompose waste

Step-by-step explanation:

User Evorlor
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