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Which substances are contained in saliva and tears to break down pathogens?
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Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.
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This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.
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The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
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Which substances are contained in saliva and tears to break down pathogens?...
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