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Author Question: The central United States is covered with extensive deposits of loess. Where did this loess come ... (Read 98 times) |
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.