Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere,
Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of
1. its escape into the outer stratosphere.
2. the photosynthesis by phytoplankton in the oceans.
3. the trapping of air in the polar ice caps.
Which of the statements given above is/are correct?
(a) 1 and 2 (b) 2 only (c) 2 and 3 (d) 3 only
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(c) Since CO2 is heavier than air, it sinks in ocean than moving up. Also, during winter, it is observed that CO2 is trapped in ice caps.
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