Question

2 how do pollutants affect water quality? choose two. they decrease waters acidity level they decrease the amount of oxygen in water they make water dangerous for animals to drink and live in they make water healthier for organisms to drink and live in

Explanation:

Pollutants generally have negative impacts on water quality. They can consume oxygen through decomposition processes, reducing dissolved - oxygen levels. Also, they introduce harmful substances that make water dangerous for animals.

Answer:

They decrease the amount of oxygen in water
They make water dangerous for animals to drink and live in