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The fossil evidence found in these sedimentary layers best implies that a) land plants are older than land animals. b) vertebrates and invertebrates evolved together. c) invertebrates lived on earth before vertebrates. d) land animals evolved at the same time as marine animals
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In general, are there any major differences that you can see? explain
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Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
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Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste.
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The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.
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The fossil evidence found in these sedimentary layers best implies that a) land plants are older tha...
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