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Author Question: The longest time you should keep mortar is _____. A) 1 hour B) 1-1/2 hours C) 2-1/2 hours D) 3 ... (Read 85 times) |
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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People about to have surgery must tell their health care providers about all supplements they take.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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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.