Question

Thermal pollution kills fish primarily because _____.

all fish need cool water

fish eggs overheat

fish swim too close to pipes

warm water holds less oxygen

Answer 1

warm water holds less oxygen

Answer 2

Warm water holds less oxygen

Step-by-step explanation:

Thermal pollution may be defined as the cahnge in the ambient water temperature that can degrade the water quality. Main cause of thermal pollution is the use of water as coolant in industries.

Thermal pollution is harmful for aquatic life. Fish and other aquatic organismsm dies because thermal pollution increases the temperature of water. This warm water has less ability to hold oxygen and fishes die due to the lack of oxygen in water.

Thus, the correct answer is option 4.