Question

Write the following answer in 2-3 lines.
1. What is a mineral?
2. What is meant by a rock?
3. What does the term quarrying mean?
4. Define open-cast mining.

Answer 1

Answer:

1. 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.

2. The hard, solid material that forms part of the surface of the earth.

3. The business, occupation, or act of extracting useful material (such as building stone) from quarries.

4. Open-pit mining, also known as open-cast or open-cut mining and in larger contexts mega-mining, is a surface mining technique of extracting rock or minerals from the earth from an open-air pit, sometimes known as a borrow.