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Author Question: The tools of the earliest H. sapiens were __________. a. more complex and varied than those of H. ... (Read 22 times) |
The average office desk has 400 times more bacteria on it than a toilet.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.