1.

A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm? It loses energy. It becomes less dense. It sinks downward. Its molecules get closer together.

Answer»

It became steam.Explanation:If  we put a liquid on burner.Then its MOLECULES evaporate and THUS become LESS DENSER and energy is being formed in steam that will LEAD the liquid to become smoke/steam or the gas that the formula of liquid leads its way.



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