Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
A chemical reaction is when one or more substances change and produce one or more new chemical substances. The substances that are involved in a chemical reaction and that are changed by it are called ...
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