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Biology, 21.06.2019 22:00
Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.
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Biology, 22.06.2019 10:50
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Biology, 22.06.2019 13:50
The fluid mosaic model of the membrane proposed that membranes
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What is carbon used for when it is in the ocean?...
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