- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: In an ANOVA test, the test statistic is F = 6.75 . The rejection region is F > 3.97 for the 5 ... (Read 110 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.