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Author Question: The distance between the ruled lines on a diffraction grating is 1770 nm. The grating is illuminated ... (Read 48 times) |
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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There are approximately 3 million unintended pregnancies in the United States each year.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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The average adult has about 21 square feet of skin.
Risk of death from motorcycle accidents (dashed lines) and passenger accidents (solid lines) per 100
Some scholars regard Walt Whitman as a poet of nature, and others, a poet of the body—a reference to