Question

What is Water Pollution?

• A. Changes in water temperature.
• B. Harmful changes in the physical, chemical, and biological properties of water.
• C. An increase in the water level.
• D. The presence of aquatic plants in water.

Answer 1

Answer:

B. Harmful changes in the physical, chemical, and biological properties of water.

• Water Pollution refers to harmful changes in the physical, chemical, and biological properties of water.

• Water pollution occurs because pollutants reach water sources through various pathways.

Conditions causing water pollution

• Waste from industries

• Pure water sources are used for washing clothes, bathing cattle, and washing vehicles.

• Excessive use of chemical fertilizers and pesticides

• Solid wastes