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Author Question: Two identical fish, both at sea level, float in two identical aquariums with identical quantities of ... (Read 94 times) |
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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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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.