Which of the following phrases describe what gases are present and how much of each gas is present?
A
Compilation of the atmosphere
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B
Composition of the atmosphere
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C
Stratification of the atmosphere
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D
Segregation of the atmosphere
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Solution
The correct option is B Composition of the atmosphere The air that we breathe is a mixture of different gases. It is important for the mixture has to be in the right proportion to ensure sustenance of life on the planet. The combination of various elements in different quantities is referred to as the composition of air.