is the name given to the World War II battle between US and German forces in Belgium in late 1944 and early 1945. It was the last attempt by Hitler to break through Allied lines.

i beleave the anser is the guiant horse pen**

Explanation:

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.