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Author Question: A major difference between coal and oil/gas is ________. (Read 21 times) |
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.