Concept:Cocoa is a forest crop that grows best in the transition zone between the forest and savanna, where rainfall and soil conditions are suitable.Explanation:Ghana’s cocoa is mainly cultivated in the semi-deciduous forest belt of the country.This zone has moderate rainfall, fertile soil, and the shaded forest conditions cocoa needs to grow well.The main cocoa-producing areas are found in this vegetation belt.Answer:C. Semi-deciduous forest