Which of the following is a subsistence crop?
Cotton
Rubber
Tobacco
Papyrus
Corn
Swidden agriculture is a form of subsistence agriculture that is defined by which of the following activities?
Planting multiple crops in one plot of land
Flooding a piece of land to stimulate growth
Rotating crops between different fields depending on the season
Growing one crop exclusively in all fields
Cutting down trees and lighting the remaining plants on fire