If the velocity of a can increases from 30 ms-1 to 90 ms -1, the kinetic energy increases by
a. 8 times
b. 9 times
c. 7 times
d. 6 times​

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

it marks things for degradation via the proteasome. it alters there celluar location.