Approximately 500,000 babies are born each year in the United States to teenage mothers.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
Cattle in Southwest Ethiopia
Carolina Spring Beauty
Beaker with ibex, dogs, and long-necked birds, from southwest Iran.
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately