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Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
Alabama Learning Exchange
Alex: Sonar Mapping of the Ocean Floor
Mapping the ocean floor must be done by indirect observation. One method involves bouncing a sonar signal off of the ocean floor and measuring the length of time this signal takes to return. This length can be translated into distance:...