Boys need 2,400 to 3,200 a day, while girls need 1,800 to 2,400 a day.
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The answer is choice B.
Nondisjunction happens when the chromosomes don't separate correctly during meiosis, which can result in an extra copy of certain chromosome.
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Answer:
B Respiration
Explanation:
or cellular respiration
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Vacuoles are essential in plants because the plants need a place to store water, and be able to keep their upright shape. In animals, we have muscles and bones to keep us upright, and plants have vacuoles. Hope this helps!
