Nick has set up his steel factory near a community lake. the waste from his factory is directly thrown in the lake and is causing the death of the fishes in the lake. this is an example of a negative (

Explanation:

This steel factory waste thrown in the lake causes water pollution or contamination of the lake, causing the death of the fishes. This also affects the whole community, human beings included, because surely they depend on fishing practices to live, and the steel factory took away the possibility to make a living around the lake.

We need to remember that water pollution is basically the contamination of water bodies due to the human intervention, because they throw wastes or everything that don't belong to the ecosystem.

i believe the answer would be 1975.

hope this