The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
Some organisms used as models in genetic research
Some common functional groups of biomolecules
Functional groups
Developmentally appropriate food models
Funeral Rituals and Practices among U.S. Cultural Groups