Complex sentence: Mostly mountainous, its major economic activities are Industry, Agriculture and Animal Husbandry, its key exports are Banana, pineapple, sugarcane cane, beans, fruits, vegetables and corn.
Split into simpler sentences: Mostly mountainous, its major economic activities are agriculture and animal husbandry. Its key products are banana, pineapple, sugarcane cane, beans, fruits, vegetables and corn.