B. desertification caused by poor agricultural practices
Desertification is a significant environmental challenge facing Africa today. It affects millions of people, leading to food insecurity, loss of livelihoods, and displacement. This issue is exacerbated by factors such as climate change, unsustainable agricultural practices, and deforestation. While other issues like deforestation and air pollution are also concerns, desertification has widespread implications for both the environment and human populations across much of the continent.