- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: If the variability of a set of data is very small, then the sample variance may be negative. ... (Read 31 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.