Project-Modeling Earth's Tilt-student, 1 paragraph for this project

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

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

The body of water found at number 4 on the map above is the