Which type of energy drives the water cycle?
a. solar
b. wind
c. geothermal
d. nuclear

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Cells destroy body cells infected by a virus or bacteria.