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Nitrification, or the oxidation of ammonia to nitrate (NO3-), is a strictly anaerobic process.
Q9: A positive feedback is one in which
Q36: If scientists could quantify all the bacterial
Q61: Which of the following characteristics separates primates
Q71: Nearly 150 years ago, man-made CO<sub>2</sub> was
Q120: Complex tool use, spoken language, and complex
Q127: _ is a type of horizontal gene
Q146: Sulfate, nitrate, and ferric iron are readily
Q150: In humans and many other animals, what
Q173: Why is it hypothesized that sexual selection
Q175: Bacteria or archaeons can be which of