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Which of the following is an accurate description of population patterns on the continent of Africa?

Rationale

Population is concentrated south of the Sahara in areas with access to water.

This statement accurately reflects the demographic trends in Africa, where populations tend to be denser in regions with reliable water sources, particularly in southern areas. Access to water is crucial for agriculture, settlement, and economic activities, leading to higher population concentrations in these regions.

A (Population is concentrated south of the Sahara in areas with access to water.) CORRECT

This choice correctly identifies the demographic pattern in Africa, as regions south of the Sahara, especially those near rivers and lakes, tend to have higher population densities. Access to water resources supports agriculture and settlements, which are critical for sustaining larger populations.

B (Population is concentrated in northern central regions around major cities.) YOUR ANSWER

While major cities in northern Africa, such as Cairo, do have significant populations, this choice overlooks the broader trend of population distribution across the continent. Many densely populated areas are actually located in southern and eastern Africa, particularly where water resources are abundant, not solely in northern cities.

C (Population is sparse in East Africa and dense along the southwestern coast.) YOUR ANSWER

This statement misrepresents the population distribution in East Africa, where countries like Kenya and Tanzania have significant urban and rural populations. Additionally, while the southwestern coast of Africa is populated, it does not necessarily reflect the overall density patterns, which are influenced more by water access than coastal proximity.

D (Population is rapidly shifting north in response to new irrigation techniques.) YOUR ANSWER

This choice suggests a demographic trend that is not widely supported by evidence. Although irrigation can influence local populations, the overall trend in Africa shows that populations remain concentrated in areas with established water sources rather than shifting northward en masse due to new irrigation technologies.

Conclusion

Population patterns in Africa are primarily shaped by access to water, with higher concentrations found south of the Sahara where such resources are available. While there are urban centers in the north and along the coasts, the overarching trend is that populations thrive in areas that support agriculture and settlement, emphasizing the vital role of water access in demographic distribution.

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