Why, having a shorter length from north to south compared to Africa, there are more climatic zones in South America …

In general, the very south of South America is located quite close to Antarctica. Cold air masses from the icy continent collide with the warm tropical air masses of South America. + high Andes in South America. Air masses from the Pacific Ocean cannot penetrate the mainland itself. Therefore, such is the variety. And in Africa, the main territory is occupied by deserts and savannas. It hurts the climate there not to roam.