Question: Eutrophication of a lake most likely is the result of
- Elevated nitrogen gas level in water.
- Elevated phosphorus levels in water.
- Excessive concentration of $ CO _2 $ .
- 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