Question

in botswana today, hiv/aids infection rates are
decreasing and life expectancy is staying the same.
increasing and life expectancy is increasing.
staying the same and life expectancy is decreasing.
decreasing and life expectancy is increasing.

Explanation:

In Botswana, with improved healthcare and prevention - control measures against HIV/AIDS, the infection rates have been decreasing. As the impact of the disease lessens, life expectancy has been increasing.

Answer:

decreasing and life expectancy is increasing.