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Use Patterns to Transfer Information
Worksheet
Grade Level
Grade 4
4.25 Use Patterns to Transfer Information
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Which method is most reliable for this receiver?
A
Use horns because they are loud; hearing limits still reduce decoding.
B
Use light signals because hearing limits make sound patterns unreliable, while visibility supports visual decoding.
C
Use soft spoken codes; they will be missed.
D
Use horns with different pitches; hearing limits may still block detection.
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