EDUCATION (CBSE/UGC NET)

EDUCATION UGC NET

ENVIRONMENTAL STUDIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Amount of carbon dioxide present in atmospheric air is
A
0.318%
B
0.383%
C
21%
D
78%
Explanation: 

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.

There is 1 question to complete.