Convection ovens are ovens that are advertised to cook food more evenly than a standard thermal oven. Which statement BEST explains how a convection oven works?

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1 point
Hot air is transferred through molecule to molecule contact.
Hot air is transferred through heat being radiated from a thermal burner.
Hot air is transferred through density differences with hot air rising and cool air sinking.
Hot air is transferred through density difference with cool air rising and hot air sinking.

Hot air is transferred through density differences with hot air rising and cool air sinking.