Question

Limestone deposits indicate that the location was:

once covered by water
formed by an active volcano
inhabited by mammals
affected by an earthquake

Answer 1

I believe the correct answer from the choices listed above is the first option. Limestone deposits indicate that the location was once covered by water. Limestone caves are often adorned with calcium carbonate formations produced through slow precipitation.

Answer 2

Hello there.

Limestone deposits indicate that the location was: 

once covered by water