Final answer:
The correct answer about Chad is that the mortality rate is high and the life expectancy is low, with a life expectancy of 49.44 years due to various healthcare and socioeconomic challenges.
Step-by-step explanation:
The true statement about Chad is c. The mortality rate is high, life expectancy is low. Chad has one of the lowest life expectancy rates in the world, with a life expectancy of only 49.44 years. This low life expectancy is largely due to a combination of factors that affect the general health and well-being of its population, which includes issues with healthcare access, nutrition, clean water, sanitation, and other socioeconomic factors.