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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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apich apich
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6 years ago
What is the significance of stromatolites?
 
  a) They are composed of benthic patches of bacteria found at hydrothermal vents.
  b) Cyanobacteria produce carbonate structures in warm shallow seas that can date back to 3 billion years ago.
  c) They are composed of siliceous deposits of diatoms and dinoflagellates.
  d) They are composed of biogenous deposits of foraminiferans and coccolithophores.
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Gax_52912Gax_52912
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6 years ago
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apich Author
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6 years ago
this is exactly what I needed
paulinaibarra98
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Yesterday
This helped my grade so much Perfect
Hellish Lover
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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