- The smallest ten prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29..
- The D.C. in Washington D.C. stands for District of Columbia.
- The center of the Sun is approximately 15 million C (27 million F).
- A crocodile can't stick out its tongue.
- A bear in hibernation loses up to 25% of its body weight.
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