Question

_______ is the introduction of contaminants into the natural environment causing adverse changes in it.

• A. Polarization
• B. Pollination
• C. Pollution
• D. Photosynthesis

Answer 1

The correct option is C

Pollution

• Pollution is the presence of contaminants in the natural environment which causes adverse changes in the environment.
• For example, smoke released from industries causes breathing problems in humans. Here, the contaminant/pollutant is smoke and the addition of it in the atmosphere causes pollution of air.