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Author Question: Nitrogen trifluoride has ________ lone pairs of electrons. A) 2 B) 5 C) 8 D) ... (Read 48 times) |
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.