Answer:
because it permits certain movement of molecules in and out of the cell
B. Distortions.
because distortions are anything that looks different on one thing, than it does for another thing. The fun mirrors in a circus are an example of distortion.
B. Kuwait faced environmental damage during the Persian Gulf War.
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.