(A) Cars, buses, aeroplanes etc
(B) Noise of birds and animals
(C) Mobile phones, generators, TV etc
(D) Roads site construction machinery
Answer: (C) Mobile phones, generators, TV etc
(A) Cars, buses, aeroplanes etc
(B) Noise of birds and animals
(C) Mobile phones, generators, TV etc
(D) Roads site construction machinery
Answer: (C) Mobile phones, generators, TV etc