Which statement best describes how work and power are related? A. Power is the amount of work done in a certain amount of time.
B. Power is the amount of work done multiplied by the distance over
which work is done.
C. Power is a measure of how much of the total work done is actually
useful.
D. Power is a measure of the amount of work done expressed in
units of energy

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

What percentage of light hits earth's surface directly?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.