How are Kekasha and David's situations different?

35 is your answer because i looked it up

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.

a. favoring native born americans over immigrants.

speed =5445/33=165 mpm