When a single parent simply replicates its dna and then divides, what occurs?

That describes a reproduction process called mitosis. The parent cell doules its DNA and then divide in 2 two each contain the same number of chromossomes as the parent cell.

The process of binary fission will occur.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.