EDUCATION UGC NET
ENVIRONMENTAL STUDIES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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0.318%
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0.383%
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21%
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78%
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Detailed explanation-1: -Carbon dioxide (CO2 ) constitutes about 0.03% (300 parts per million) of the atmospheric gases. Whereas, nitrogen comprises 70% and oxygen 21% of the atmospheric gases.
Detailed explanation-2: -Carbon dioxide About 0.03% of the atmosphere is constituted by Carbon dioxide by volume. This is a colorless and odorless gas having a density of about 53% higher than that of dry air. Chemically it is represented as carbon dioxide. Naturally, carbon dioxide occurs in Earth’s atmosphere as a trace gas.
Detailed explanation-3: -It occupies almost 21% of the total gases in the atmosphere. Argon, carbon dioxide and many other gases form the remaining 1%. Carbon occupies about 0.03% of the earth’s atmosphere. Nowadays, the level of carbon-dioxide increases due to the burning of fossil fuels, deforestation, etc.