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Author Question: Soil is composed of 70 mineral matter, 5 organic matter, and varying amounts of water and air ... (Read 138 times) |
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.