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To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Tuna contains approximately 50% of your daily vitamin D requirement
Approximately 40 percent of farmers in the United States are 55 years old or older
Earth 150 Million Years Ago