The formation of the solar system
The formation of an ozone layer
The formation of severe weather
All of the above
A carbon atom from a CFC combines with one oxygen from ozone and leaves a two-atom oxygen molecule.
A chlorine atom from a CFC combines with two oxygen atoms from ozone and leaves an oxygen atom.
A CFC combines with a three-atom oxygen molecule.
A chlorine atom from a CFC combines with one oxygen from ozone and leaves a two- atom oxygen molecule.
They have created a hole in the ozone layer.
They have caused more ultraviolet radiation to reach Earth.
They have caused the number of cancer cases to rise.
All of above
The days would be cold and the nights would be hot.
The days would be hot and the nights would be cold.
Earth would not have days.
Earth would not have nights.
Nitrogen & Suflur Oxides
Carbon Dioxide & Methane