*Urgent* Why are light-years used to measure distances in
space?
A. The speed of light is slower in space.
B. The speed of light is faster than time.
C. Distances in space constantly change.
D. Distances between stars are very large.

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

answer; hydrologic cycle;