Environmental Issue And Environmental Pollution Ques 39

Question: Eutrophication of a lake most likely is the result of
  1. Elevated nitrogen gas level in water.
  2. Elevated phosphorus levels in water.
  3. Excessive concentration of $ CO _2 $ .
  4. A decrease in oxygen content of the water. Which of the above is/are correct?

Options:

A) 1 only

B) 1 and 3

C) 1 and 2

D) 1 and 4

Show Answer

Answer:

Correct Answer: C