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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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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande This lithograph by Currier and Ives gives an erroneous impression of the “battle.” Major Robert Ande
Smart cars in the future Smart cars in the future
A well-folded letter fits easily into the envelope and is easily removed by the person who receives ... A well-folded letter fits easily into the envelope and is easily removed by the person who receives ...
Oil molecules cling to metal surfaces but easily slide against each other. Oil molecules cling to metal surfaces but easily slide against each other.
Conventional cars are extremely inefficient Conventional cars are extremely inefficient
Body sites where the peripheral pulse is most easily palpated Body sites where the peripheral pulse is most easily palpated
Video: The Pressure Flow Model in a Plant

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