CaroleeHanns54 CaroleeHanns54

19-04-2015
Biology

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In what substance is nitrogen an important element? A. Proteins B. Carbohydrates C. Sugars D. Fats and lipids

Respuesta :

19-04-2015

A. Proteins

Sugars are carbohydrates.

Carbohydrates and fats are mainly carbon and hydrogen.

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