latitudinal lines are those that go around horizontally like the equator.
2. A shark is the only fish that can blink with both eyes.
3. A goldfish has a memory span of 3 seconds.
4. The six official languages of the United Nations are: English, French,
Arabic, Chinese, Russian and Spanish.
5. Giraffes often sleep for only 20 minutes in any 24 hours.
6. A quarter of the world's plants are threatened with extinction by the
year 2010.
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