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Match the statements of Column A with th...

Match the statements of Column A with those of Column B.

A

`A to c, B to a, C to d, D to b`

B

`A to d, B to c, C to a, D to b`

C

`A to c, B to d, C to a, D to b`

D

`A to b, B to d, C to a, D to c`

Text Solution

Verified by Experts

The correct Answer is:
A
Reduce noise pollution
(a) Birds
(d) Echoes
(b) Ultrasonic sounds
Hence, the correct option is (a).
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