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Question
World climate is threatened by an increase in the atmospheric concentration of _________.
World climate is threatened by an increase in the atmospheric concentration of _________.
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Solution
The correct option is E Both C and D
Carbon dioxide is a major greenhouse gas. Carbon dioxide concentration increases due to various human activities like burning fossil fuels, construction, etc. Apart from this, even water vapour acts as a greenhouse gas and gets added to the atmosphere as the water evaporates from water bodies by evaporation. The greenhouse gases trap the heat inside the earth's atmosphere and thus, help in maintaining the temperature of our planet. However, an increase in their concentration beyond the required amount has led to an overall increase in the earth's temperature and climate change.Hence, the correct answer is 'E'.
Carbon dioxide is a major greenhouse gas. Carbon dioxide concentration increases due to various human activities like burning fossil fuels, construction, etc. Apart from this, even water vapour acts as a greenhouse gas and gets added to the atmosphere as the water evaporates from water bodies by evaporation. The greenhouse gases trap the heat inside the earth's atmosphere and thus, help in maintaining the temperature of our planet. However, an increase in their concentration beyond the required amount has led to an overall increase in the earth's temperature and climate change.
Hence, the correct answer is 'E'.
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