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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?

User Towhid
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2 Answers

1 vote
Do you have the statements for it that might help us get you the answer?
User Ross Scott
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3 votes

b The infrared light gets there faster and is clearer.

User Dafydd Rees
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