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Which is a role of helpful bacteria? A)removing nutrients from soil B)Producing oxygen C)healing sick animals D)preventing tooth decay
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Which is a role of helpful bacteria?

A)removing nutrients from soil
B)Producing oxygen
C)healing sick animals
D)preventing tooth decay

User Cliff Hall
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2 Answers

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D) preventing tooth decay
User DCSeven
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3 votes

Answer:

its producing oxygen

Step-by-step explanation:

User Kumar Elubandi
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