please answer all if possible and there are 3 questions
Which environmental problem is the biggest problem for the Great Lakes?
A. Dams
B. air pollution leading to acid rain
C. Exporting raw materials
D. Over-extraction of minerals
Canada became an independent nation by
A. Winning a war against Great Britain.
B. Signing a series of treaties with Great Britain.
C. Buying the land from France.
D. Overthrowing Great Britain’s monarchy.
Canada was explored and colonized by the
A. Americans.
B. British and French.
C. British and Germans.
D. French and Spanish.