sabinaakram1 sabinaakram1

10-02-2021
Chemistry

contestada

Chemical reactions happen when _____. a.atoms attract or repel one another b.heat is created by friction c. two or more substances are mixed substances are heated or d.cooled

Respuesta :

aliviamaxwell568 aliviamaxwell568

19-02-2021

Answer:

A

Explanation:

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