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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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Basic Types of Energy
Energy Chart
Geothermal energy and powers Earth’s systems
Mass Wasting Forms
How much energy is required to form 141.8 g of Cl2, according to the reaction below? The molar ...
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?