Multiple choice

Which of the following statements is/are correct?

a. Metals are extracted from the minerals embedded in the rocks after proper refinement. b. Limestone is a rock that is made of a single mineral. c. Over 2000 minerals are abundantly found in most of the rocks.

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a, b and c
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as both statements a and b are correct.

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