A scientist argues that the Sahara Desert used to be part of the ocean. What piece of evidence would best help support her argument? options:

A:Finding a fossil of a shark in the desert

B:Finding evidence of past earthquakes.

C:Finding a fossil of an arctic plant.

D:No evidence would support it. If it’s a desert now, it’s always been a desert.

IF RIGHT I GIVE BRAINLIST

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell