Biology
The following picture depicts a certain phenomenon.
(i) Name the phenomenon and explain it.
(ii) Enlist the sources that are responsible for the above mentioned phenomenon.
(iii) List out the effects of the above phenomenon on humans.
Pollution
73 Likes
Answer
(i) The phenomenon depicted in the picture is Ozone layer depletion. It 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.
(ii) The sources responsible for ozone layer depletion are gaseous compounds such as chlorofluorocarbons (CFCs) released from refrigerators, aerosol spray cans and packaging material styrofoam.
(iii) Effects of ozone layer depletion on humans are:
- Sun burn
- Genetic disorders
- Skin cancer
Answered By
43 Likes
Related Questions
A lot of fish are dying near a sea shore. Describe any two possible causes.
Look at the cartoonist's presentation of a kind of pollution given below.
(i) Name the kind of pollution.
(ii) List the sources of pollution.
(iii) Mention any two harmful effects of this pollution.
The picture below shows a campaign recently started by the Indian Government.
(i) When was this campaign launched ?
(ii) Mention the chief objectives of this campaign.
The figure given below shows a kind of pollution. Study the figure and answer the following questions.
(a) Define the kind of pollution shown here.
(b) Name two types of the kind of pollution shown here.
(c) Write two main sources of above mentioned pollution with one example each.
(d) Write two points to control the given pollution.