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Lesson Summary. A substance is simply a pure form of matter. In other words, a substance is matter than contains only one type of atom or molecule. Pure substances can be further divided into two sub-categories: elements and compounds.
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<em><u>Radhe</u></em><em><u> </u></em><em><u>Radhe</u></em><em><u>❤</u></em>
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The volume of the system will change and maybe the shape of the system boundary
What's the difference between rocks and minerals?A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure formed by a geological processes. A rock is an aggregate of one or more minerals where as a rock may also include organic remains and mineraloids.
I hope this helps
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A scientific question is basically a question that can lead to a hypothesis to help us figure out the observation in science. I hope this helps you
