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3. In 1972 and 2002, Canada and the U.S. agreed to take action regarding what kind of pollution? acid rain Canadian Shield pollution deforestation Great Lakes pollution

User Edza
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Answer:

Great Lakes pollution

Step-by-step explanation:

In 1972 and 2002, Canada and the U.S. agreed to take action regarding Great Lakes pollution.

User Xiaoguo Ge
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