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The digestive system takes in nutrients and breaks down these nutrients for energy. the solid waste products that are generated during digestion are removed from the human body by the what?
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Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false
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Which feature of a human community is similar to a niche in a biological community
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What processes take place before the mature mrna exits the nucleus?
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According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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The digestive system takes in nutrients and breaks down these nutrients for energy. the solid waste...
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