Which of the following is a subsistence crop?
Cotton
Tobacco
Corn
Rubber
Papyrus
Swidden agriculture is a form of subsistence agriculture that is defined by which of the following activities?
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
Planting multiple crops in one plot of land
