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Author Question: Based on Shapley's determination of the center of the galaxy, the Sun is located ____. a. in the ... (Read 25 times) |
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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The FDA recognizes 118 routes of administration.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).