The 1918 flu pandemic
A) struck mainly Americans and Canadians.
B) struck nearly 10 percent of the world's population.
C) killed more than 50 million people.
D) was also known as the Hong Kong flu.
C
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How can double-stranded DNA be converted to single stranded DNA?
A) pH greater than 10.5 B) Formaldehyde C) Temperatures in excess of 90° C D) All of the above
Define posture, and list at least five benefits of having good posture
What will be an ideal response?
All of the following are ways classroom teachers can promote children's health outside the school environment EXCEPT
A) helping develop structured after-school programs. B) providing classroom physical activity. C) encouraging family and community involvement. D) assigning health-promoting homework.
Mattie sustained a wrist fracture because of weakened, porous bones. She has the disease known as
A) osteoarthritis. B) rheumatoid arthritis. C) osteoporosis. D) fibromyalgia.