this area was once below sea level. global temperature changed over time. erosion took place after a flood. volcanic activity affected the area.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds of miles from the ocean. The fossils best indicate that
Possibilities:
- this area was once below sea level.
- global temperature changed over time.
- erosion took place after a flood.
- volcanic activity affected the area.

this area was once below sea level.