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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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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Overview of gas exchange between the environment, blood, and cells. Overview of gas exchange between the environment, blood, and cells.
These young children are taking the initiative to explore their environment as they examine a snail These young children are taking the initiative to explore their environment as they examine a snail
Environment Environment
Industrial Waste and the Impact on the Environment Industrial Waste and the Impact on the Environment
Is my concept map correct? (Grade 12 Bio) Is my concept map correct? (Grade 12 Bio)
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ... A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...
Video: Mechanisms of capillary exchange

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