This particular presentation contains information regarding the ozone layer and its depletion.

1. the
layer

2. The layer of ozone present in the Earth’s
stratosphere that protect the earth from UV
radiations.

3. what is ozone

4. 3
It is not a friendly
substance.
It’s a deadly
POISON..

5. It’s not all bad because without it there
would be a lot of skin cancer issues.

6. how is ozone
formed

7. U V
O O + O 2
O + O O 2 3

8. Ozone layer
under threat

9. CCl4
Ozone Depleting
ODS
substances
CFCs
Halons
HCFCs
Methyl Chloroform