People who are physically active for approximately 7 hours a week have a percent lower risk of dying early than those who are active for less than 30 minutes a week.
a. 20
b. 40
c. 50
d. 60

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

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High blood pressure is best described as