Put the steps of storm formation in the correct order

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

What percentage of light hits earth's surface directly?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell