I believe you would first check the river to make sure it's polluted then you would have to check how/if the chemical plant is involved. Also see if other factors other than the chemical plant is contaminating the river.

I hope this helps!

3 0

3 years ago

Farmers are often known for using nitrogen rich fertilizers to ensure ideal

Soloha48 [4]

Answer: C. Eutrophication an increase of biological productivity in a body of water

Explanation: I had the same question

5 0

3 years ago

What is the largest planets moons?

marta [7]

Jupiter's moons
Ganymede is the largest moon in our solar system, and is larger than Mercury and Pluto.

4 0

2 years ago