Question

select the correct answer. the life expectancy in the united states increased more than 30% from 1900 to 2015. which factor could have contributed to this increase? a. better medical facilities and treatments b. decreased farmland c. increased food insecurity d. increase in deaths from epidemics

Explanation:

Better medical facilities and treatments can improve healthcare, leading to an increase in life - expectancy. Decreased farmland has little direct impact on life - expectancy. Increased food insecurity would likely decrease life - expectancy. An increase in deaths from epidemics would lower life - expectancy.

Answer:

A. better medical facilities and treatments