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The top documents tagged [atoms valence shellcopyright]
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The Chemical Context of Life. Matter consists of chemical elements in pure form and in combinations called compounds Organisms are composed of matter
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Fig. 2-1. Fig. 2-2b Dead leaf tissue (cm 2 ) after one day 16 12 8 4 0 Inside, unprotected Inside, protected Outside, unprotected Outside, protected Cedrela
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Chapter 2 Review Big Ideas You Should Know. Concept 2.1: Matter consists of chemical elements in pure form and in combinations called compounds Organisms
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