This paper mill (where paper is made) is next to a river. The mill creates a lot of waste water that contains toxic chemicals.
What is the best way for the mill to protect the watershed when they get rid of the waste water? Click on the letter you think has the right answer.
Carry the waste water away from the mill in trucks and dump it into the ocean far away from the river.
Use less toxic chemicals while making the paper, so that the waste water is less toxic.
Reuse the waste water as much as possible for landscaping in public parks.
