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Use the drop-down menu to complete the statement. an electron in the first energy level of the electron cloud has an electron in the third energy level.a. a lower energy thanb. a higher energy thanc. the same energy as
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The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
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Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic
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What do bacteria cells and human cells have in common...
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