1.

Which fact is true regarding the Montreal Protocol?

A. The Montreal Protocol is an international treaty on substances that deplete the ozone layer.
B. The treaty was opened for signature on 16 September 1987 and came into effect on 1 January 1989.
C. The Multilateral Fund for the Implementation of the Montreal Protocol provides funds to developed countries to assist in the phased containment of ozone-depleting substances.
D. All of the above
Answer» E.


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