KBC 2023, The options of the question – The Montreal Protocol, which went into force in 1989, deals with which of these subjects?
A. Chemical weapons
B. Ozone layer
C. Wildlife protection
D. Nuclear power
KBC 2023| The Montreal Protocol, which went into force in 1989, deals with which of these subjects?
KBC 2023 , Check the answer for the question . The Montreal Protocol, which went into force in 1989, deals with which of these subjects?
