- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: In an experiment with 10 treatments, how many pairs of means can be compared? A) 45 B) 20 C) 90 ... (Read 68 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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%.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.