Pleas Help Me If the amplitude of a wave changes, which also changes A) disturbance from the wave B) frequency C) wave speed D) refraction

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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the answer is c. it will give up it's valence electron to the other atom.