Pregúntale a tu maestro que está haciendo El /Ella??
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:
Simplemente encuentre cosas que sean similares y diferentes y hable sobre en qué se diferencian y en qué se parecen y simplemente use las ideas principales de lo que está leyendo para ayudarlo.
Answer:
A. perdió
Explanation:
Alberto __perdió___ (perder) su tarjeta de crédito en <u>el</u> centro comercial.
