Assertion (A): Coal and petroleum are ca...

Assertion (A): Coal and petroleum are categorized as natural resources, so should be used judiciously.
Reason (R): They are formed from the degradation of bio-mass subjected to various biological and geological processes over a million of years.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

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