Why has the demand for providers specializing in geriatric care increased ? A. Incidences of dementia have increased .

B. More and more families are placing elderly relatives in nursing homes.

C. More elderly patients insist on living alone now .

C. The increase in the life expectancy of Americans has caused an rising demand for providers in geriatric field.

mayo clinic in rochester, minnesota;

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.

explanation: the second one i think