4. What was the main occupation for African Americans during the Reconstruction Era? Carpetbaggers
Slaves
Scalawags
Sharecroppers

b. parliament was weaker than the monarchy.

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.