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Author Question: If two primary keys are used together, they are called a(n) ________. (Read 51 times) |
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
The Land Ordinance of 1785 called for surveying and dividing the Western Territories into square mil