Answer:
f = 1 Hz
Explanation:
From the attached figure, we find that the time period of the wave is 1 second.
It is a longitudinal wave. It travel in the form of compression and rarefaction. The relation between time period T and frequency f is given by :

Hence, the frequency of this wave is 1 Hz.
Answer:
preoperational
Explanation:
Please mark me Brainliest!!!
Answer: D.
Explanation: Just took the quiz.
Answer:
Mass of the object or earth
Answer: B. water frozen in the cracks of a rock help to break down the rock because water expands when frozen, and physically forces the rock apart