formula

• Recursive Formula
In this video let us dive right into a light introduction to the idea of a recursion and what the recursive formula is. #math
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• Introduction to Minerals
○ 5 citeria: solid, naturally occurring, inorganic, fixed chemical formula, specific atomic arrangement -- igneous, granite, speckle, quartz, biotite mica, plagioclase feldspar, fluorite, talc, selenite gypsum, pyrite, silicate, bituminous, sulfur, halite
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