Geography · Human Activities
Assertion (A): Open-cast mining is generally much cheaper than underground mining methods. Reason (R): Overhead costs, safety precautions, and deep structural equipment costs are much lower as minerals lie close to the surface.
- 1A is false but R is true
- 2A is true but R is false
- 3Both A and R are true but R is not the correct explanation of A
- 4Both A and R are true and R is the correct explanation of A✓
Correct answer
Both A and R are true and R is the correct explanation of A
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