Question

Question 16
Which of the following is a recently originated problem of environment?

(a) Ozone layer depletion
(b) Greenhouse effect
(c) Global warming
(d) All of the above

Answer 1

(d) All of the above

Due to extensive use of vehicles and thermoelectric plants, gaseous emission from industries, use of aerosol propellants, refrigerants, etc., leads to the emission of various harmful gases like sulphur dioxide, carbon dioxide, CFCs etc, in the atmosphere. These gases are major constituents of air pollution and are inter-linked in causing ozone layer depletion, greenhouse effect, and global warming.