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: mantle and sillicates
Explanation:
In the tropic savannas, a variety of vegetation and grass prairies grow. The dominant plant types are the Grasses, in the savanna. A wide variety of grasses grow in savannas but may vary in different savannas. Some grasses grow 6 to 9 feet tall.
<span>Question#1
According to the scientific community of Alfred Wegener's day, The flaw in his theory of continental drift was he</span> couldn't explain the force that could move Earth's plates.
<span>Question#2</span>
Gravity is the best explanation for the driving force of plate tectonics.
