Concept:Agricultural land use depends on physical and human factors that determine where farming is done.
Explanation:Topography, population density, and climatic conditions are major factors that influence how land is used for agriculture in West Africa.
Topography affects soil erosion, drainage, and accessibility of farmland.
Population density influences demand for food and pressure on available land.
Climatic conditions determine rainfall, temperature, and the types of crops that can be grown.
Fallowing is not a land-use determining factor.
It is a land management practice in which a farmer leaves land uncultivated for a period to restore soil fertility.
Answer:C. fallowing