How does water affect the transmission of sound through air?
A. Amplifies the sound
B. Muffles the sound
C. Redirects the sound
D. Has no effect on the sound
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A. Amplifies the sound
B. Muffles the sound
C. Redirects the sound
D. Has no effect on the sound
A. Light water
B. Dense water
C. Fresh water
D. Heavy water
A. 50%
B. 125%
C. 100%
D. 25%
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A. 1
B. 2
C. 3
D. 4
A. Water
B. Iron
C. Glass
D. Vacuum
A. Dull
B. Dark
C. Obscure
D. Opaque
A. 1/6th
B. 1/5th
C. Half
D. Equal to 6times