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Background Radiation What is Back Ground Radiation? Background Radiation is all around us. We can do little to avoid it. Most background radiation comes from natural sources.…

Documents Chapters 10 & 11 Rocks and Minerals Science, 8 th Grade Rocks and Minerals.

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Documents Rocks and Minerals

Rocks and Minerals Chapters 10 & 11 Rocks and Minerals ⢠Science, 8th Grade Rocks Earthâs crust is made of rock. Rocks are mixtures of minerals and sometimes other…