Concept:Highlands in Nigeria are important for many reasons, but not because they occupy good land.Explanation:Highlands provide cool climates and defensive positions, making them good settlement sites.They also contain mineral deposits such as tin and columbite, especially on the Jos Plateau.Many rivers in Nigeria rise from highland areas, so highlands are important sources of rivers.However, the rugged nature of highlands does not make them valuable simply because they occupy good land.Answer:A. occupy good land