Science & Chemistry Facts : What Is Ammonia?

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Ammonia is a chemical compound molecule that is made of one part nitrogen and three parts hydrogen. It plays an extremely important role in the nitrogen cycle. Identify ammonia by its pungent smell with advice from a science tutor in this free video on science and chemistry. Expert: Brian Erickson Contact: Bio: Brian Erickson is a tutor in math and science, as well as a field biologist. Filmmaker: Todd Green


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