Question

Effects of cfc can be retained in atmosphere for up to

Answer 1

12 · A happy side-effect of the gradual ban of these products is that the Earth's climate has also benefited because CFCs are also potent greenhouse gases. However, now a "rebound effect" threatens to accelerate the rate of global warming. The projections are based on various scenarios for future HFC emissions.

Answer 2

when cfcs goes up and combine with ozone o3 it form chlorine atom which is harmful for us and is also responsible for deplement of ozone layer.