- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.