Answer: The hemoglobin on red cells, uses iron to carry oxygen
Explanation:
Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
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I believe it was
D, the light microscope !
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Shotgun shells have wadding inside of them.
C, darwin went to the galápagos islands to study birds.
