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Piaget used a pendulum apparatus to assess whether children had reached the stage of cognitive development.
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Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?
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What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Piaget used a pendulum apparatus to assess whether children had reached the stage of cognitive deve...
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