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Night blindness is caused by vitamin A
Answer: Energy transfer is the movement of energy from one location to another. Energy transformation is when energy changes from one type to another. While energy can be transferred or transformed, the total energy always remains the same.
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Early prophase: the DNA and centrioles duplicate and the centioles move and form the mitotic spindle. Middle prophase: microtubles from the spindle attach to the chromosomes. Late prophase: the chromosomes move to the equatorial plane.
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Nonrenewable resources are used to help provide humans with the energy they need to power their homes, cars, and Fourth of July barbeques. They're an important part of the worldwide economy because they're some of the most common ways we get the energy we need to power our lives.
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