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Sonar signals and infrared light are are used to send messages to submarines deep under water. If we compare the two signals, which statement describes a difference between the two?
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Jan 14, 2018
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Sonar signals and infrared light are are used to send messages to submarines deep under water. If we compare the two signals, which statement describes a difference between the two?
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Towhid
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Do you have the statements for it that might help us get you the answer?
Ross Scott
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Jan 16, 2018
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b The infrared light gets there faster and is clearer.
Dafydd Rees
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Jan 18, 2018
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