Health, 04.08.2019 20:10 unknown6669
How can you lessen the risk of developing arthritis? a. by taking a multivitamin b. by controlling your weight c. by doing high-impact aerobics d. by getting enough vitamin d
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Health, 22.06.2019 15:20
[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.
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Health, 22.06.2019 19:00
0% 10. use the table to answer the question. which elements would you expect to find mainly in the earth’s core? element density (g/cm3) aluminum 2.7 iron 7.87 nickel 8.9 silicon 2.33 iron and silicon aluminum and silicon aluminum and nickel iron and nickel
Answers: 1
Health, 23.06.2019 00:00
Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.
Answers: 1
Health, 23.06.2019 04:31
Viral infections in plants ) can be controlled with antibioticsb) can spread within a plant via plasmodesmata c) have little effect on plant growthd) are not spread by animals
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How can you lessen the risk of developing arthritis? a. by taking a multivitamin b. by controlling...
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