human activities impact negatively on the quality of water and the flow pattern in the upper reaches of the blood river in limpopo

(2001), water resources in most of the sub-catchments in the Limpopo River basin are impacted by the following: Mining and minerals processing. Landfills and solid waste disposal sites. Disposal of liquid and effluent.

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]