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Author Question: Most stream valleys have a V shaped cross section because ________. (Read 37 times) |
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.
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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.