What do mudstone and sedimentary rocks formed from the remains of once-living plants and animals have in common?

a. they are made up of the same kinds of minerals.

b. they are formed from layers of sediment.

c. they are formed when melted rock cools and hardens.

d. they are made up of the remains of plants and animals.

A: They are made up of the same kinds of minerals.

Explanation:

Welp you already finished anyways - ;-;

true. earthquakes are felt whenever there is a slip around a fault in the rocks below the earth. this reorientation of faults create sesmic waves and is known as earthquake, the severity of which is measured in richter scale. these are more prominent in hilly regions as the rocks usually form faults to balance the pressures on it.