With an increase in temperature the density of air ____.

increases

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decreases

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remains same

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None of these

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Solution

The correct option is B
decreases

As the temperature increases, the density of the air decreases. And the decrease in density causes the hot air to rise up.

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With an increase in temperature the density of air ____.

The correct option is B decreases As the temperature increases, the density of the air decreases. And the decrease in density causes the hot air to rise up.

The correct option is B
decreases

As the temperature increases, the density of the air decreases. And the decrease in density causes the hot air to rise up.