3. In 1980’s three british scientists discovered that the
ozone layer over Antarcticis getting thinnerandthe
Earthtemperature is rising.It is caused by aerosols and
detergents containingchemicals.
4. Ozone is responsiblefor main absorptionof UV
radiation.An overexposureto UV can cause
sunburn and skin cancer. Itcan also makesome
animalsand plants extinct.
5. In late 1980’s the internationalprotocol was signed by
many countries to control the emission of chemicals.
We canhelp saving ozone layer by encouragingpeople
to grow plants that produce oxygen.
