What happens during prophase ?

A good few things in preparation for the next phase.

Explanation:

Prophase is the first phase of cell division. A few key things happen here, primarily:

The chromosomes become visible as paired chromatids.

The nuclear envelope disappears.

Meiotic spindles begin forming.

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.