1. Rock is an aggregate of two or more than two minerals. |
2. Mineral is an aggregate of two or more than two elements. |
3. Coal is a mineral as well as a rock. |
4. Igneous rocks constitute the maximum volume of the earth's crust. |
A) 1, 2 and 3 are correct
B) 2, 3 and 4 are correct
C) 1, 3 and 4 are correct
D) 1, 2, 3 and 4 are correct
Correct Answer: D
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