PLS HELP critical mass depends on all of the following except . Check all that apply. A. The polarity B. The density C. The Catalyst D. The shape

b density is heavily connected to weight

well we can't tell you because we cant see the time give a screen shot or something.

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