A preposition is a word that is followed by a noun or pronoun. It relates the noun or pronoun to another word in the sentence.
The book is on the table.
A cluster of words that starts with a preposition and ends with a noun or pronoun is a prepositional phrase.
The book is on the table.
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.
21,27,23
21 is the smallest number.