Montreal Protocol 1987 was__________?
Correct answer: C. Treaty to protect ozone layer
- A. Treaty among nations to reduce nuclear arsenals
- B. Climate control treaty
- C. Treaty to protect ozone layer
- D. Trade policy about tarrifs
Explanation
The 1987 Montreal Protocol is an international agreement to phase out substances that destroy the ozone layer, especially CFCs. It is not a nuclear-arms or tariff treaty.
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