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nazz1010

Answer:

They maintain a healthy balance in the environment. They maintain the food chain in the environment by a process of recycling nutrients. They are also found in the human gut and maintain health by producing vitamin K and vitamin B12.

Explanation:

hope this helped you

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Joshuahudkins

Answer:

Well, they maintain a healthy balance in the environment. They maintain the food chain in the environment by a process of recycling nutrients. Sorry this was 2 years too late. (more like a year and a half)

Explanation:

~Hope this helps!

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