What is a main characteristic of jazz music?

the answer is 1. Jazz artists use improvisation in their performances.

Explanation:

the answers are

1. Jazz artists use improvisation in their performances.

2. Jazz music first started in Great Britain.

3. Jazz artists follow traditional rhythms and structures.

4. Jazz produced no famous or popular artists.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.