Physical changes involve the change in states of matter. The states of matter may be a solid, liquid, or gas. During a physical change no new substance is created. The matter may take on a different form or state. The size, shape, and color of matter may also change. A chemical change involves adding two substances together and creating a new substance, not just a mixture. During a chemical change, the molecules also change.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.