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When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false
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Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.
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In this lab you will use a cart and track to explore various aspects of motion. you will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. in the space below, write a scientific question that you will answer by doing this experiment.
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How did astronomers use technology to identify characteristics of the Crab Nebula?...
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