The focus of an earthquake is the point underground where rocks first begin to move. Seismic waves travel outward from the earthquake's focus.
The two minerals that are found in cement are : Silica and calcite.
<u>Explanation:</u>
Different minerals form the composition of cement but the minerals that are most commonly found in cement are calcite which is contained in the limestone.
The other mineral that is used in the production of cement is silica in the form of raw rock type used to make cement which is found in clay. So they form an important part of formation of cement.
Answer: plateaus.
Plateau is a large extension of high and quite flat land.
your answer for this question is B)
Answer:
sovereignty
Explanation:
or at least.....this is the theory
