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Biology, 24.04.2017 14:41 ambermcneil3839

Joseph studied whether different materials can block certain electromagnetic waves by testing television reception in different parts of the house. at each part of the house, joseph used a different antenna. the experiment could have been improved by


testing reception of a different channel during each trial.


using the same antenna during each trial.


measuring the antenna length in centimeters.


measuring the distance to the television station.

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