Ozone layer is being depleted by _____?
(a) Smog.
(b) Sulphur dioxide.
(c) Carbon monoxide.
(d) Chlorofluorocarbon.
(a) Smog.
(b) Sulphur dioxide.
(c) Carbon monoxide.
(d) Chlorofluorocarbon.
(a) Troposphere.
(b) Stratosphere.
(c) Mesosphere.
(d) Ionosphere.
(a) Nitrogen and Carbon Dioxide.
(b) Oxygen and Argon.
(c) Oxygen and Carbon Dioxide.
(d) Nitrogen and Oxygen.
(a) Aug 12.
(b) June 5.
(c) September 8.
(d) July 10.
(a) Noise pollution.
(b) Air pollution.
(c) Radioactive pollution.
(d) Soil pollution.
(a) Uranium.
(b) Argon.
(c) Chromium.
(d) Cobalt.
(a) Underdeveloped countries.
(b) Developed countries.
(c) Developing countries..
(d) None of these.
(a) Lack of awareness among people to check birth rate.
(b) Global terrorism.
(c) Family planning.
(d) Migration.
(a) Mexico.
(b) Japan.
(c) USA.
(d) Brazil.
(a) Rivers.
(b) Lakes.
(c) Hills.
(d) Forests.