Wastewater discharge from hydroelectric power plants" is the correct answer
This was before the time of government oversight, so businesses disposed of hazardous materials in very damaging ways.
What is the choices for the question
<h3>Who is a
Delegate?</h3>
A delegate means someone who is chosen to vote or make decisions on behalf of the group, people or country at a conference, meeting etc.
Delegate who believes the Nation should have a single executive:
- Ben Franklin was an example of delegate who believed that one was enough and the 1st one would be a good one.
Delegate who believes the Nation should have a Three-Member Executive:
- Ben Franklin did like the one person executive but he really wanted the three member executives because he believed they could lead the country better.
Read more about delegate
<em>brainly.com/question/4889839</em>