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Author Question: A moldboard plow is secondary tillage implement . Indicate whether the statement is true or ... (Read 61 times) |
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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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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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%