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