Choose the correct statement about the effect of direction of wind.
o The sound of distant music is difficult to hear if it is in the same direction as the blowing wind.
o The speed of sound decreases if it is in the direction of propagation of sound.
o The speed of sound lies between the speed of sound in still air and the speed of wind.
O The sound can be heard quickly and loudly if the wind blows in the opposite direction.
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b.The speed of sound decreases if it is in the direction of propagation of sound
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