Two statements are given in the question below as Assertion (A) and Reason (R). Read the statement and choose the appropriate option:

Assertion (A): Minerals should be used judiciously.

Reason (R): Minerals are important for our daily needs.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true and (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false and (R) is true.

Name the following:

This mineral is called black gold.

Name the following:

It is the main ore of aluminium.

Name the following:

This gas causes global warming.