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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
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The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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A baseball player throws a ball straight up in the air at a height of 2 meters with an initial veloc...
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