What do you think is
the greatest challenge facing developing African
countries today?

Poor education, poverty and health

Explanation: African adults are more likely not able to read that would be around 3/5 or 2/5, the population in Africa has grown big in the past few years which mean there is more poverty 330 million in poverty in 2012, Africa has the worst health compared to many other it is mostly because of the malnutrition they have because of poverty

i think the answer is the one about environmental and social health.

hope this