Why do we bring our hands close to the mouth while shouting across to someong far away?A.To let the sound arrive at one point .B.To keep the soung in a small area.C.to keep the sound traveling in one direction.D.to let the sound spread in all directi

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Why do we bring our hands close to the mouth while shouting across to someong far away?
A.To let the sound arrive at one point .B.To keep the soung in a small area.C.to keep the sound traveling in one direction.D.to let the sound spread in all direction.

C