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Author Question: Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.0 m ... (Read 2307 times) |
Everyone has one nostril that is larger than the other.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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).