Why is there equal amounts of cytosine and guanine and equal
amounts of adenine and thymine in the dna of a cell?

On the double helix of DNA, cytosine goes with guanine, and adenine goes with thymine. This way A and T must be equal and C and G must be equal.

Explanation:

age range would be the answer

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.