Question

animals which make different sound to give messages​

Answer 1

Answer:

Changes in rate, pitch, and/or structure of sounds communicate different messages. ... By emitting clicks, or short pulses of sound, these marine mammals can listen for echoes and detect objects underwater. This is called echolocation. Some whales and dolphins use echolocation to locate food.

Explanation:

1) Dolphins create ultrasonic sound waves,to communicate in the underwater environment. 2) Bats also create high frequency sounds for both communication and night vision.

Answer 2

Answer:

money's make different sounds that there is a danger