Answer: According to the the law of Conservation of Matter, matter is neither created nor destroyed. ... When matter changes from one form to another, e.g., a portion of beef steak (beef protein) is eaten and digested, the macro-structure of the beef is broken by our digestive enzymes into its component amino acids.
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Where is the video and what are the questions??
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The nitrifying bacteria will convert ammonia to nirites in the nitrogen cycle. this will happen in first stage. correct me if im wrong
A and D seem like the best answers
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The Mesozoic Era is the answer
