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The top documents tagged [undersea trenches]
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1. Today, ships use echo sounding, or sonar, to find the distance to the ocean floor. By tracking how long it takes for the signal to reach the bottom
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Laws vs. Theories. What is a Scientific Law? A scientific law is a description of an observed phenomenon. It offers no explanation to why they are that
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Bellringer 09/11/14 Differentiate between a test variable and an outcome variable
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