Question

Contamination is:

• A. addition of harmful substances
• B. process of removing harmful substances
• C. process of adding vital minerals
• D. process of killing germs and microorganisms

Answer 1

The correct option is A

addition of harmful substances

Contamination refers to the process of addition or mixing harmful substances. For example, water contamination refers to the process of mixing harmful substances such as sewage, toxic chemicals etc. to the water bodies.