Swidden agriculture, which is where a fire destroys the ecosystem for regrowth to occur.
I believe the answer is c.
I would say plate movement caused it partially however flooding may also have helped
Explanation:
In Lima, the capital of Peru, the climate is very peculiar: it is subtropical desert, with a warm season from December to April and a cool, humid and cloudy season from June to October, with May and November as transitional months.
Domain is all x, range is all the y numbers