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User StefanHartin
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14
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Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue?
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Jan 8
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Science
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42
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Which protein, that stores oxygen in muscle cells, has been purified from a number of organisms?
answered
Jan 8
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Science
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31
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What kind of joints are capable of a wide range of movements, classified as gliding, angular, rotational, or special?
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Jan 7
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Science
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26
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What kind of charge do iconic compounds have?
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Jan 7
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Science
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59
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What is the term for plants that lack vascular tissues, roots, leaves, seeds, and flowers?
answered
Jan 7
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Science
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72
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What is the simplest life cycle?
answered
Jan 7
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Science
0
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39
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What is the name for elements that neither contain carbon nor come from living things?
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Jan 7
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35
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What is the movement of muscle in the digestive system called?
answered
Jan 7
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37
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What do we call structures that are similar in related organisms because they were inherited from a common ancestor?
answered
Jan 6
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Science
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48
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The term science comes from a latin word that means?
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Jan 2
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Science
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51
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One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?
answered
Dec 31, 2024
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Science
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39
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How can we reduce use of energy resources?
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Dec 30, 2024
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Science
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39
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For many decades, scientists have known that atoms consist of electrons and other particles called protons and?
answered
Dec 30, 2024
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Science
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29
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Deletions remove one or more what from the dna?
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Dec 30, 2024
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Science
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37
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Chewing insects such as dragonflies and grasshoppers have how many sets of jaws?
answered
Dec 30, 2024
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Science
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