Answer:
QUESTION:
Is plastic a pure substance or an impure substance?
ANSWER:
Pure and impure substances
Pure substances have a sharply defined (one temperature) melting or boiling point. Impure substances have a temperature range over which they melt or boil. Chromatography is the process of separating substances into their individual components.
Explanation:
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Answer:
<em>viajamos</em>
Mi familia y yo <em>viajamos </em>a Florida el año pasado.
Explanation:
