Consider the following statements :
1. Algal blooms cause deterioration of the water quality and fish mortality.
2. Bioaccumulation refers to an increase in the concentration of the toxicant at successive trophic levels.
3. Eutrophication is the natural ageing of a lake by nutrient enrichment of its water.
Which of the above statement/s is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3