Assertion: Pollution is always caused by human activies.
Reason: Pollution is not different from contamination.

Options

A. If both assertion and reason are true reason is the correct explanation of assertion
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. If both assertion and reason are false.

Answer

D

Explanation

Both the assertion and reason are false.
Pollution may be defined as an undersirable change in the physical , chemical or biological characteristics of our air , water and land that may or will harmfully affected human lives or other organism. Pollution can be natural or man made. Nutural pollution comes from valocanic eruptions, emission of natural gas , soil erosion, ultraviolet rays, etc. Most of the pollution is man-made, Contamination occurs due to the presence of harmful organisms or their products or undersirable products ina desirable product causing disease or discomfort, for the organisms who consume it . Therefor pollution and contamination are two different things.