Ahockey puck slides across an ice rink more easily than it does across a rough concrete surface. why is this?

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

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 most effective way to provide children with safety messages is to