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The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?
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Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial
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The plasma membrane forms a what between the inside and outside of the cell?...
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