Which of the Following Statement(s) Is True Concerning the Montreal

Multiple Choice

Which of the following statement(s) is true concerning the Montreal Protocol on Substances that Deplete the Ozone Layer?

A) At least 213 countries have ratified it.
B) It was not signed by the United States.
C) It requires all signatories to reduce their production and consumption of all chemicals.
D) It requires all signatories to reduce their production and consumption of only CFC's.