1
Question
To detect the obstacles in their path, bats produce :
(a) infrasonic waves (b) ultrasonic waves
(c) electromagnetic waves (d) radio waves.
To detect the obstacles in their path, bats produce :
(a) infrasonic waves (b) ultrasonic waves
(c) electromagnetic waves (d) radio waves.
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Solution
( b) option
Bats produce ultrasonic waves to detect obstacles in their path.
( b) option
Bats produce ultrasonic waves to detect obstacles in their path.
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