Smoke rises upwards in the atmosphere because:

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Physics · Thermodynamics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Warm air expands and is lighter (less dense) than cold air.

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Answer 1

Warm air is denser than cold air.

Answer 2

Warm air expands and is lighter (less dense) than cold air.

Answer 3

Warm air has a lower volume than cold air.

Answer 4

Warm air is heavier than cold air.

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