Swidden agriculture
A) has benefited significantly from logging operations.
B) is most common on coastal plains.
C) works best in regions of high population density.
D) usually relies on monocrop production.
E) depletes soil nutrients within a few years.
Question 2
Greenland's ice sheet covers about ________ of the island.
A) 100
B) 80
C) 65
D) 50