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KIM [24]
3 years ago
13

How were the iron beds in the oceans formed? im giving 100 points here are your anwser

Biology
1 answer:
Ipatiy [6.2K]3 years ago
3 0

Answer:

Its number 4 , After billions of years, cyanobacteria turns into iron; the iron beds are remnants from cyanobacteria. its 7th grade science.

Explanation:

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