Question

The following picture depicts a certain phenomenon

1. Name the phenomenon and explain it.
2. Enlist the sources that are responsible for the above mentioned phenomenon.
3. List out the effects of the above phenomenon on humans.

Answer 1

1. The above phenomenon is the depletion of the Ozone Layer. Ozone layer depletion is a phenomenon in which certain gaseous compounds, such as chlorofluorocarbons (CFCs), break down into chlorine atoms, which in turn break down ozone (O₃) into oxygen (O₂) and O.
2.     
   1. Use of CFCs in fire extinguishers and aerosol sprayers.
   2. Use of CFCs in refrigerators.
   3. Packing material styrofoam.
3.     
   1. Depletion of the ozone layer can affect global rainfall, cause ecological disruptions, and reduce world food supplies.
   2. The depletion of the ozone layer allows UV radiation to reach the planet. UV radiation can cause skin cancer and harm to the eyes and immune system.