Answer:

Explanation:

1 ) The term earthquake is used to describe any tremor of the Earth's surface. ... They are called tectonic earthquakes and in order to understand their origin, it is necessary to first have a closer look at the structure of the Earth.

2 ) Seismologists study earthquakes by going out and looking at the damage caused by the earthquakes and by using seismographs. A seismograph is an instrument that records the shaking of the earth's surface caused by seismic waves. ... He called it an "earthquake weathercock."

3 ) Physical weathering. Physical weathering, also called mechanical weathering or disaggregation, is the class of processes that causes the disintegration of rocks without chemical change.

4 ) Lichens, symbiotic colonies of fungi and microscopic algae that grow on rock, also contribute to weathering. The fungi in a lichen produce chemicals that break down the minerals in the rock. The algae, like the bacteria, use these minerals for nutrition

5 ) iam sorry i coudnt find it

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