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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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How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 β500,000 o 500,000 -1,000,000
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Biology, 22.06.2019 00:40
Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
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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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