One way bacteria are important to the Earth and its ecosystems is that A. bacteria concentrate valuable minerals. B. bacteria de
compose dead organisms. C. bacteria produce acetone. D. bacteria use oxygen.
1 answer:
Definitely decompose dead organisms, otherwise there would be no oil for us.
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2 because the 1st energy level can only hold 2 electrons and the 2nd holds 4
Answer:
Ovary
Explanation:
I may be wrong because of the way that question is worded/shown tho
It’s the first one for sure
