- 2 and 5 are the only prime numbers that end with a 2 or a 5..
- When 2 zebras stand side by side they usually face each other in opposite directions to keep an eye out for predators.
- The compass and straight edge were powerful tools in the advancement of geometry, allowing the construction of various lengths, angles and geometric shapes..
- Dirty snow melts quicker than clean snow.
- Hippopotamuses have killed more people in Africa than any other animal.
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