Which of the following best describes the reason that early civilizations in the andes mountains were able to develop varied sources of food like herding and agriculture?

The following choice best describes the reason that early civilizations in the Andes mountains were able to develop varied sources of food like herding and agriculture :

"Many different ecological zones resulted in the ability to engage in different types of farming".

Andes mountains are stretch up to 4,500 miles down the western edge of South America (from Columbia in the north and in the south is Chile).