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Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above
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Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.
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Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
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How does the strength of the electrostatic force between an electron and a proton compare to the strength of the gravitational force between them?
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