Question

What happens when water
gets stagnant and contaminated
?​

Answer 1

Answer:

Stagnant water can be dangerous for drinking because it provides a better incubator than running water for many kinds of bacteria and parasites. Stagnant water is contaminated with human and animal feces, particularly in deserts or other areas of low rainfall. ... Trapped water stagnation.

hope it helped

Answer 2

Answer:

When water  gets stagnant and contaminated

Explanation:

Malaria and dengue are among the main dangers of stagnant water, which can become a breeding ground for the mosquitoes that transmit these diseases. Stagnant water can be dangerous for drinking because it provides a better incubator than running water for many kinds of bacteria and parasites

When water gets contaminated it becomes unsuitable for drinking and if people consume this water then they might fall sick.