A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region?
It was once below a waterfall. It was once part of a riverbed. It was once covered by an ocean. It was once near a freshwater lake.
Question: A researcher found shark fossils on top of a mountain. This evidence suggests which of the following about this region?
A. It was once below a waterfall.
B. It was once part of a riverbed.
C. It was once covered by an ocean.
D. It was once near a freshwater lake.
Answer: