Which of these would be MOST impacted by acid rain falling in the Great Lakes region of Canada and the United States?

Provinces that are part of the Canadian Precambrian Shield, such as Ontario, Quebec, New Brunswick, and Nova Scotia, are most affected.

Explanation:

What are the causes and effects of pollution and acid rain in Canada and the Great Lakes?

High levels of acid in rain can damage or kill trees and pollute lakes enough to kill fish. Houses, buildings, and statues can also be damaged. Southern Canada (near the Great Lakes region) experiences the highest levels of acid rain. 50-75% of the pollution that causes acid rain actually comes from the US.

ask google there you might be able to find an answer for the question you're trying to ask

straight down to hell mate