GENERAL KNOWLEDGE

GK

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Pollution, air, wind, and oxygen are ALL a part of the
A
atmosphere
B
biosphere
C
hydrosphere
D
lithosphere
Explanation: 

Detailed explanation-1: -The troposphere contains variable quantities of both natural and human-caused gases and chemicals that cause air pollution.

Detailed explanation-2: -The composition of air consists of three key components of air, namely Nitrogen (78%), Oxygen (21%), Argon (1%), Carbon-di-oxide (0.03%) and water vapor. Air also has some other gases but they are in very minute percentage.

Detailed explanation-3: -From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere. Troposphere.

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