There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
Norway lobsters on sale at a Spanish market
Adapoids and omomyoids had longer snouts and are the first “true” primates.
Example of a patient statement.
Predicted Temperature Trends Through the 21st Century