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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Overview of gas exchange between the environment, blood, and cells.
Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is
Preparing a Urine Specimen for Microscopic Examination (for Classroom Evaluation Only)
The rock cycle and the Earth’s physical environment
Diversity Amid Globalization: World Regions, Environment, Development