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Author Question: Why are retellings a powerful way to assess student comprehension? a. They are an authentic way ... (Read 29 times) |
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%