Fossils
Fossils are the remains of plants and animals that lived a long time ago. Fossils can tell scientists about how an animal lived or about a plant’s life. Many fossils are the remains of plants and animals that are extinct.
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
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.