Q491
The bats can fly in the dark because
A.
They can see the objects in darkness
B.
They have weak legs and are likely to be attacked by predators
C.
They generate flashes of light
D.
They generate ultrasonic sound waves
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Bats can fly in dark because they produce ultrasonic waves. ... It produces ultrasonic waves which strike with the obstacles present on its way.