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Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength
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Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?
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Are the earth's ocean floor and continents the same age geologically? why or why not?
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Explain why emerging efforts are focused on reducing health risks from exposure to chemicals rather...
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