Head River
All rivers have a starting point where water begins its flow. This source is called a headwater. The headwater can come from rainfall or snowmelt in mountains, but it can also bubble up from groundwater or form at the edge of a lake or large pond.
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Answer:
Magnitude
Explanation:
The height of the lines traced on paper is a measure of the energy released by the earthquake, also known as its "Magnitude"
Usually, the Magnitude" of vibration can be calculated by multiplying the vibration value by itself (10 x 10) and then double it.
Hence, in this case, the correct answer to the question is "Magnitude"
The first one is 4 in 52, the second is 3 in 51.
<span>4/52 x 3/51= .0045249 </span>
I would say the answer is D.