Bats can also fly in dark because they are capable of taking the help of _________?
- A. Ultraviolet Waves
- B. Ultrasonic Waves
- C. Electromagnetic Waves
- D. Special Retina
Explanation
Bats emit ultrasonic sounds and use the returning echoes to locate objects and prey, a process called echolocation. Ultrasonic waves have frequencies above the human hearing range.
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