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BS Element of Month Oxygen IA
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All About Elements: Oxygen
http://boreal.com
boreal.com | 800-387-9393 2 3
Fun Facts About… Oxygen 1. Oxygen constitutes 21% of our atmosphere,
nearly half the mass of the earth’s crust and about two thirds of the human body. It is the third mos...
Chemical Purchasing Plan
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wardsci.com 800.962.2660
Developing a purchasing plan and rigorously following the plan when ordering the school’s chemical supply will help safety, prevent waste and save money. The following may help your school make chemical purchases efficient...