Why is uva light considered a mutagen?
it penetrates the skin and can cause mutations.
it can be prevented by wearing a protective vest.
it produces chemicals that can be inhaled.
it is found in synthetic dyes and cosmetics.

It penetrates the skin and can cause mutations.

Explanation:

UV light is the most common source of radiation that affects DNA, but it is a weak radiation and it penetrates only the surface cells of your skin. However, UVA radiation is considered as a mutagen because it penetrates deep into the skin and can cause mutations.

The first one, It penetrates the skin and can cause mutations

Explanation:

chordata is the answer

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction