If you could remove all of your skin, it would weigh up to 5 pounds.
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There are more bacteria in your mouth than there are people in the world.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Urinalysis. During a simple urinalysis, a stick with colored blocks is dipped into a urine specimen.
Question
How to solve a trigonometric problem involving two right triangles (Question 1)