Hot water discharged by industries is considered as a water pollutant because
1. Higher water temperature generally decreases the level of dissolved oxygen of water.
2. High temperature limits oxygen dispersion into deeper waters, contributing to anaerobic conditions in deep water.
Which of the following statements give above is/are correct.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2