All are correct. Ribose has an alternating sugar (ribose) as it’s backbone, it is found in the cytoplasm, and it contains uracil instead of thymine.
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<span> people live longer human populations are larger people are more likely to move travel is easier and more convenient people can find mates from distant places people who move may change populations permanently</span>
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A device that changes electrical energy into mechanical energy is a electric motor.
3) Heredity because Heredity is defined as the characteristics we get genetically from our parents and our relatives before them.