Energy Part 1
Energy is used all around us every day. Energy is used by people to move, talk, and play. Energy is used by cars, radios, toys, fires, and musical instruments. There are many ways to use energy. There are many ways to get energy, too. Energy comes from the sun. It comes from the food we eat. It comes from gas and from electricity. It comes from wind and fire. It comes from gravity. Energy is never used up. It always changes into something else.
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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.