One reason why water pollution exists today is that humans are introducing pollutants that cannot be broken down at all by natural mechanisms or that take a very long time to break down.

Question

Quizplus · Accepted Answer

This statement is true. Many human-made pollutants such as plastics, heavy metals, and synthetic chemicals cannot be broken down by natural mechanisms or take a very long time to degrade, leading to water pollution.

One Reason Why Water Pollution Exists Today Is That Humans