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What is the energy of a light wave with a frequency of 9.8 x 10^20 Hz?
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Identify two types of chemical bonding in the source of dietary potassium
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The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
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Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese
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What is the energy of a light wave with a frequency of 9.8 x 10^20 Hz?...
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