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Which one of the following is a vestigial structure? 1. heart 2. appendix 3. right leg 4. liver
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Afamily is one another name for a group on the table of elements.
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An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds
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Which of the four hypothetical substances you investigated would be most harmful to living organisms? 50 points!
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Name 3 types of energy you see being used as you look around a classroom
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Which one of the following is a vestigial structure? 1. heart 2. appendix 3. right leg 4. liver...
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