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Author Question: Two parallel rays (also parallel to the optic axis) reflect from a concave mirror. They intersect at ... (Read 25 times) |
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.