Acceleration is change in velocity divided by time or
V/t so 60/3 = 20
Acceleration refers to the velocity (magnitude and direction) and speed refers only to the highest rate of speed something can obtain.
Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
It is chemical because of the heat and gas which causes air bubbles
The appropriate response is 4800 milliliters. The aggregate volume of replaceable air (key limit) for a typical male is the measure of air that can be drawn into the lungs after a constrained exhalation and, for this situation, is 4800 milliliters.
They are both ectothermic, but fish have gills, and reptiles have lungs.