What other cause is effecting the increase in floating algae?

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

Environmental differences within ecosystems are generally caused by

What is the inability of an individual or a society to achieve a minimum standard of living known as ?