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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i would use trear more because am always forgetting to get something and I always point it out to my family for no reason
Fernando y luis son de estados unidos. ellos son _<span>estadounidense or </span>americanos_.
Good Lock
I think C
Si, tú eres de Costa Rica
