Consider the following statements:

Consider the following statements:
1. Stromatolites, or colonies of the cyanobacteria were much more abundant on the planet Earth in Precambrian times.
2. Coral reefs made their first appearance during the precambrian era
Which among the above statements is/ are correct ?
[A]1 only
[B]2 only
[C]Both
[D]None

1 only

Originally written on January 22, 2016 and last modified on January 22, 2016.

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