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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Everyone has one nostril that is larger than the other.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

