The 1987 Montreal Protocol dealt primarily with which of the following items?

A.
Halon

B.
Argonite

C.
CO2

D.
PFC-410

Explanation:
Halon has been identified as a chemical that can deplete the ozone
layer and produce toxic chemicals at extremely high temperatures. The 1987 Montreal
Protocol states that Halon should no longer be used as a fire suppression agent.