Which of the following is a subsistence crop?
Papyrus
Rubber
Corn
Cotton
Tobacco
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
Cutting down trees and lighting the remaining plants on fire
Growing one crop exclusively in all fields
Planting multiple crops in one plot of land
Flooding a piece of land to stimulate growth
