1. which type of wave vibrates both side to side and up and down?
a) p waves
b) s waves
c) surface waves
2. which type of wave is the first to arrive during an earthquake?
a) p waves
b) s waves
c) surface waves
3. which type of wave may make the ground roll?
a) p waves
b) s waves
c) surface waves

(B) S waves

(A) P waves

(C) Surface waves

Explanation:

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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