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At 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is it mechanical energy at that time?
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The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation
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Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
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Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide
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Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?
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At 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is it mechanical energy at that ti...
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