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Home Q & A Board Science-Related Homework Help High School Level Science
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TArisorev TArisorev
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6 years ago
The banded iron formations began to form when
A) carbon dioxide dissolved in seawater.
B) varying oxygen levels allowed the precipitation of alternating layers of iron oxide.
C) oxide minerals were deposited on the ocean bottom.
D) iron from lava flows settled into layered formations.
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AmbelerAmbeler
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6 years ago
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TArisorev Author
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#2
6 years ago
Tremendous help, I just double-checked it with my friend Smiling Face with Open Mouth
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