Question

If limestone is found in a sedimentary rock, what can be determined about the sediment layer?

A: The layer formed beneath the sea at some point in time.
B: The layer formed in a cavern at one point in time.
C: There was a large population of marine life at the time.
D: The temperature of the environment at the time it formed

Answer 1

A is the answer I think.

Answer 2

D would be metamorphic, I believe the answer is either A or B