- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: The chi-square value for a one-tailed (lower tail) test when the level of significance is .1 and the ... (Read 51 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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.
The average adult has about 21 square feet of skin.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.