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Author Question: A lower 18O/16O ratio in ocean sediment cores indicates a ________ climate, whereas a higher 18O/16O ... (Read 72 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Medication errors are three times higher among children and infants than with adults.
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The longest a person has survived after a heart transplant is 24 years.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.