Which of following are greenhouse effect gases?
a) carbon dioxide
b) methane
c) water vapor
d) all of these
Which of the following gas has been added to the atmospheric by use of fossil fuels?
a) carbon dioxide
b) methane
c) water vapor
d) all of these
Which of the following gas is used for spray cans and in the
manufacturing of plastic?
a) methane
b) chloro-fluoro-carbons
c) nitrous oxide
d) dioxide
Chlorofluorocarbon is used in…………...........
a) Refrigerators
b) Perfumes
c) Air conditioners
d) All of these
Which gas discharge into atmosphere by rotting rubbish and from rice field?
a) methane
b) chloro-fluoro-carbons
c) nitrous oxide
d) dioxide
Which gas is produced by agriculture activity and use of
nitrogen-based fertilizer?
a) methane
b) chloro-fluoro-carbons
c) nitrous oxide
d) dioxide
