The composition of air is not constant and changes from place to place.

True

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False

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Solution

The correct option is A True
The composition of air is not constant and changes from place to place. For example: in polluted areas, since emissions of carbon dioxide are very high, air over there contains higher percentage of carbon dioxide.

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The composition of air is not constant and changes from place to place.

The correct option is A TrueThe composition of air is not constant and changes from place to place. For example: in polluted areas, since emissions of carbon dioxide are very high, air over there contains higher percentage of carbon dioxide.

The correct option is A True
The composition of air is not constant and changes from place to place. For example: in polluted areas, since emissions of carbon dioxide are very high, air over there contains higher percentage of carbon dioxide.