Identify biodegradable waste from the following: peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Answer
Biodegradable wastes: peels of vegetables and fruits, grass, paper.
The following picture depicts a certain phenomenon. Enlist the sources that are responsible for the above mentioned phenomenon.
Answer
Sources of ozone layer depletion: Gaseous compounds such as chlorofluorocarbons (CFCs) released from refrigerators, aerosol spray cans and packaging material styrofoam.