Plz help on question 4
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How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
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You have a sample of a metal, the sample is exactly 6.02 x 1023atom, if the sample has a mass 55.85 what metal is your sample made of?
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Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?
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