- There are only 4 words in the English language which end in 'dous' (they are: hazardous, horrendous, stupendous and tremendous).
- The average ice berg weighs 20,000,000 tons.
- Chameleons can move their eyes in two directions at the same time.
- 20% of China's plants are used in medicine.
- The average life span of a mosquito is 2 weeks.
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