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agasfer [191]
3 years ago
11

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.
Biology
1 answer:
alisha [4.7K]3 years ago
3 0
<span>Using the same antenna during each trial.

</span>
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