In a water body, too much sewage leads to

In a water body, too much sewage leads to
  • A.
    a decrease in the temperature of the water which cause in death of aquatic animals
  • B.
    an increase in the number of aquatic animals in the water
  • C.
    an increase in the bacterial population which reduces the level of oxygen in the water
  • D.
    a decrease in the bacterial population which increases the level of oxygen in the water
Correct Answer: Option C
Explanation

There is an explanation video available below.

You May Also Like