Question

The government wants to set new regulations that prohibit chlorofluorocarbons (CFCs) use in aerosol sprays and refrigerants. How will this act help with the sustainability of our environment?
It will slow the degradation of the ozone layer.

It will decrease the use of fossil fuels.

It will increase the costs of aerosol sprays and refrigerants.

It will increase ultraviolet light needed for vegetation.

please explain!