Maxamillion Pean_Review 3_ Phys Geo-D01.docx - Review 3 3...

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Review 3 3. Origins: Astronomical Background Earth, Solar System, Galaxy, Galaxy Cluster, Universe What’s the difference between solid, liquid, gas, and plasma?
Give a brief explanation of atom, molecule, proton, neutron, nucleus, electron.
Protons have a positive charge.

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