Question

The term 'water - pollution' can be defined in several ways. Which of the following statements does not give the correct definition?

• A. The addition of undesirable substance to water bodies.
• B. The removal of desirable substances from water bodies.
• C. A change in pressure of the water bodies.
• D. A change in temperature of the water bodies.

Answer 1

The correct option is C A change in pressure of the water bodies.

The statements associated with water pollution are:

1. Addition of undesirable substances to water bodies.
2. Removal of substance from water like dissolved oxygen from water bodies.
3. Aquatic organisms are used to a certain range of temperature, if that is affected it will affect the survival of the aquatic organisms.

Change in pressure of the water bodies is not associated with water pollution.