Air-Effect of Pollutants (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 1 of 1
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Question number: 1
» Air » Effect of Pollutants
Appeared in Year: 2015
Which of the following adds to the carbon dioxide concentration in atmosphere?
(I) Volcanic action (II) Respiration
(III) Photosynthesis (1V) Decay of organic matter
(I), (II) and (IV) only
(1), (II), (Ill) and (IV)
(I) and (II) only