Multiple Choice
Fossilized stromatolites
A) more than 2.8 billion years old have not been discovered.
B) formed around deep-sea vents.
C) resemble structures formed by bacterial communities that are found today in some shallow marine bays.
D) provide evidence that photosynthesis was occurring in the oceans by 2.5 billion years ago.
Correct Answer:
Verified
Correct Answer:
Verified
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