Montreal protocol focuses on A) Protect ozone layer B) Control and phase out of ozone depleting factors C) Control and phase out CFC and halocarbons D) All of these

Montreal protocol focuses on A) Protect ozone layer B) Control and p

1.	Montreal protocol focuses on A) Protect ozone layer B) Control and phase out of ozone depleting factors C) Control and phase out CFC and halocarbons D) All of these
Answer» D) All of these