- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: The sum of the deviations squared from the mean is always zero. Indicate whether the statement is ... (Read 17 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.