Some countries in africa have a negative human population growth. this is most likely due to
high total fertility rates
high mortality rates from aids
exceeding the replacement-level fertility
reductions in infant mortality

Ans. High mortality rates from AIDS.

Mortality rate is defined as the measure of total deaths in a population of particular region, with respect to size of that population, per unit of time. It plays a negative impact on human population growth.

In many parts of Africa, AIDS (acquired immunodeficiency syndrome) is a serious health concern as it has lowered life expectancy of people and raised several deaths.

Thus, the correct option to be filled in the blank is 'high mortality rates from AIDS.'

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.