How and why did the role of labor unions
change as the economy changed?

the answer would be logic.

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

d. the great plains       hop3 this yo

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.