Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

تمرين 16

The graph below shows the effects of AIDS on life expectancy at birth in Botswana, 1950-2000, and projects these effects to 2050. Study this graph and answer the questions that follow.

(a) By what percentage is life expectancy in Botswana projected to increase between 2015 and 2050 (b) By what percentage was life expectancy in Botswana projected to decrease between 1995 and 2050