Ethylene oxide, called oxirane by IUPAC, is an organic compound with the formula C 2 H 4 O.It is a cyclic ether and the simplest epoxide: a three-membered ring consisting of one oxygen atom and two
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Iowa's amphibian population consists of ** species of frogs and toads, ** and ** species of salamander. Click here for a complete description of species, photos and range maps.
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