In a lava lamp, a waxy substance rises and falls repeatedly. What causes the waxy substance to rise?
A) The waxy substance is cold.
B) The waxy substance is warm.
C) The waxy substance is less dense than the surrounding liquid.
D) The waxy substance is more dense than the surrounding liquid. Convection is occurring.
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In a lava lamp, a waxy substance rises and falls repeatedly. What causes the waxy substance to rise?...
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