Question

which describes the effect factories had on rivers during the industrial revolution? factories caused major environmental problems by dumping waste into the river. factories caused minor environmental problems by dumping waste into the river. factories created acid rain that fell into the river during the manufacturing process. factories created soot that fell into the river during the manufacturing process.

Explanation:

During the Industrial Revolution, factories dumped large - amounts of waste into rivers, causing major environmental problems. Acid rain and soot are not directly related to the effect on rivers in the way described in the other options.

Answer:

Factories caused major environmental problems by dumping waste into the river.