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Vadim26 [7]
2 years ago
15

11. Which of the following phenomena is taking place when sound waves are reflected from a surface along parallel lines? A. Refr

acting B. Absorption C. Focusing D. Diffusion
Physics
1 answer:
allsm [11]2 years ago
4 0
The Answer is C. Focusing             
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What could you add to a closed circuit consisting of 2 batteries, 2 light bulbs, and a switch to Increase the current?
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