With reference to a fresh water lake, consider the following characteristics1. Richness in nutrients2. Rapid turnover of phytoplankton3. Depletion of dissolved oxygenWhich of the above is / are observed in a lake after its eutrophication ?

With reference to a fresh water lake, consider the following character

1.	With reference to a fresh water lake, consider the following characteristics1. Richness in nutrients2. Rapid turnover of phytoplankton3. Depletion of dissolved oxygenWhich of the above is / are observed in a lake after its eutrophication ?
A.	1 only
B.	1 and 2
C.	3 only
D.	1, 2 and 3
Answer» E.