Question

WE CAN OBTAIN MINERAL ROCKS BY ............................​

Answer 1

Answer:

In a surface mine, hard rock must be drilled and blasted, although some minerals are soft enough to mine without blasting.

...

The primary methods used to extract minerals from the ground are:

Underground mining.

Surface (open pit) mining.

Placer mining.

Answer 2

Answer:

In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure, that occurs naturally in pure form.