CFC comes from aerosol cans
CFC hurts the ozone layer
The ozone layer protects us from UV
CFC also comes from fridges
The ozone layer is a shield to earth and protects us
One time the ozone layer got a hole inside him
If UV gets to earth, it's not a good thing...
UV comes from the sun.
If UV reaches us, people will get skin cancer
Skin cancer does not have a cure.
In 1987, the government banned CFC's.
Since then, the ozone hole started to disappear since 2006
And CFC's were dead and forgotten by then.
Scientists predict that by 2070, the ozone hole will disappear.
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