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Author Question: A specialized high-speed conduction system begins at which of the following points? a. A c. D b. ... (Read 28 times) |
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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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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are 60,000 miles of blood vessels in every adult human.
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In 1864, the first barbiturate (barbituric acid) was synthesized.