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Author Question: All basic arithmetic fundamentally comes down to what basic operation? A) Carrying B) Rotating C) ... (Read 82 times) |
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The average adult has about 21 square feet of skin.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.