The fertility rate in a low-income country tends to be more than twice that in a high-income country, and the mortality rate in a low-income country tends to be twenty times higher than that in a high-income country. Given the higher fertility (birth) rate in a low-income country, one major factor that might explain the dramatically higher mortality rate would be that .

High Population

Explanation:

The low incomes countries tend to have high fertility rate which leads to high number of populations. The low income countries are low earners and cannot be able to properly feed there families and provide basic amenities like health care and good water supply which leads to the death of the citizens, and this gives rise to high mortality rate in the low income earners country.

the lack of adequate medical and health resources in a low-income country is far greater than in high-income countries.

Explanation:

The fertility rate in a low-income country tends to be more than twice that in a high-income country, and the mortality rate in a low-income country tends to be twenty times higher than that in a high-income country. Given the higher fertility (birth) rate in a low-income country, one major factor that might explain the dramatically higher mortality rate would be that the lack of adequate medical and health resources in a low-income country is far greater than in high-income countries.

fertile good for trade etc