- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: At Bargain Car Rental, the cost of renting an economy car for one day is $19.95 ... (Read 615 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%.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.