Hi Jwyapo!
Answer - B. The area was covered by water
The correct anwer is B because of the fact that seashelss are usually in areas that are covered in water, seashells mostly live in oceans large bodies of water.
Hope This helps!
Hello,
A geologist finds a large rock containing a seashell. What does this tell you about the area at the time the rock was formed?
The answer might be B. The area was covered by water