Question

land degradation is a major issue worldwide and poses a threat to the sustainability of agriculture and economic development of many third world countries. which statement best describes the major cause of land degradation in these countries? a over use of fertilizers b silt deposits at the mouths of rivers c wind and wave erosion on coastal areas d water erosion caused by rain and runoff in semi - arid regions

Explanation:

Land degradation in third - world countries is often due to various factors. Over - use of fertilizers can lead to soil degradation, salinization, and nutrient imbalances, which are major causes of land degradation. Silt deposits at river mouths (B) are a natural process and not a major cause of widespread land degradation in third - world countries for agricultural and economic development purposes. Wind and wave erosion on coastal areas (C) affects specific coastal regions and not the major cause of land degradation in general for these countries. Water erosion in semi - arid regions (D) is a factor but over - use of fertilizers has a more widespread impact on agricultural land.

Answer:

A. over use of fertilizers