- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A control group provides a baseline for comparison with a treatment group. Indicate whether ... (Read 28 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.