Sound Part 19,875 Plays
Sound is a very important part of our life. Sound helps us to communicate with other people. We talk and express ourselves by using sound. We hear and listen to others with the help of sound. Sound is a form of energy which is produced as a result of the vibrations of an object. We say high sounds are high pitch sounds, while low sounds are low pitch sounds. The pitch is the property of a sound which tells us how high or low a sound is. And a loud or soft sound is identified by its volume, another property of sound. Loud sound has a high volume while soft sound has a low volume.
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.