if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past
A woman is digging under a tree on a tall mountain. She is looking for interesting rocks, and a foot down into the soil, discovers a fossilized fish skeleton. From this discovery, the woman is able to determine that

Options are:
[i] the mountain used to be underwater
[ii] some bears in mountains eat fish
[iii] some fish can climb mountains
[iv] sometimes rain can move fish to high spaces
[i]