Question

2. Why is hot water discharge into rivers also considered as a cause of water pollution?​

Answer 1

Hot water discharge into rivers increases the temperature of rivers, which reduces the amount of dissolved oxygen in water. This makes it difficult for aquatic plants and animals to respire. Thus, hot water discharge is also considered as a water pollutant.

Answer 2

Hot water discharge into rivers increases the temperature of rivers, which reduces the amount of dissolved oxygen in water. This makes it difficult for aquatic plants and animals to respire. Thus, hot water discharge is also considered as a water pollutant.