Physics, asked by anshita1290, 5 months ago

Which wall is the best to create an echo?
(A) Big stone wall
(B) Big stone wall covered with algae
(C) Small stone wall
(D) Small stone wall covered with algae

Answers

Answered by barunkumarpandey

Answer:

big stone wall. may be answer

Answered by praveenchoudhary2151

Answer:

Option (a)

Explanation:

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