Q. Winter temperature ranging from -29° C to -40° C, summer temperature about 10° C, total annual precipitation about 25 cm. and low humidity. These characterise the climate.
Q. With reference to a fresh water lake, consider the following characteristics: 1. Richness in nutrients 2. Rapid turnover of phytoplankton 3. Depletion of dissolved oxygen Which of the above is/are observed in a lake after its eutrophication?