Why does temperature increase with altitude through the stratosphere? the stratosphere is closest to the sun. the ozone layer is found in the stratosphere. all layers of the atmosphere increase in temperature with altitude. the air molecules are closer together in the upper stratosphere.

Temperature increase with altitude through the stratosphere because "The ozone layer is found in the stratosphere".

Stratosphere is the second layer of the atmosphere of the Earth. 20% of the mass of the atmosphere is found in this layer. 
The temperature of the stratosphere increases as the altitude increases due to the presence of the ozone layer in it as the ozone layer absorbs the ultraviolet radiations of the Sun which causes an increase in the temperature of this layer.

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