Question

a sedimentary rock containing a fossilized sea shell was found. what does this tell about the area at the time the rock was formed? the area was once a desert. the area was hot and tropical. the area was cold. the area was under water.

Explanation:

Fossilized sea - shells are typically formed in marine environments. Sedimentary rocks containing them suggest that the area was once submerged under water.

Answer:

The area was under water.