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|- Direction: Choose the letter of the best answer. Encircle the correct answer. 1. A dog, cats and bats are some animals that can hear sounds that range from 45 Hz to 120 000 Hz. This is an example of ? a. Ultrasonic b. Infrasonic c. Decibel d. Crest 2. Sound is a wave created by object that vibrates and appeal to our auditory system. a. transverse b. longitudinal c. mechanical d. circular 3. It is the combination of transverse waves and longitudinal waves a surface waves c. mechanical waves d. x rays b. electromagnetic waves 4. Wave that consists of a single travelling pulse called a. periodic waves b. transverse wave c. pulse wave d. wave form 5. The highness or lowness of sound is known as a. loudness b. pitch c. intensity d. vibration


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Direction Choose The Letter Of The Best Answer Encircle The Correct Answer 1 A Dog Cats And Bats Are Some Animals That Can Hear Sounds That Range From 45 Hz To class=

Sagot :

Answer:

1. A

2. D

3. A

4. B

5. B

Explanation:

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Answer:

1.A 2.C 3.A 4.B 5.D

Explanation:

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