Why do slash-and-burn cultivators stop using a plot of land every two to three years?
A. They burn so much wood that the air becomes too polluted to support a healthful existence.
B. Slash-and-burn cultivation is unique to segmentary-lineage organized societies, and crop rotation follows the cycle of interlineage exchange.
C. Slash-and-burn cultivators use relatively primitive irrigation systems, which have to be repaired every three to four years.
D. The wild vegetation needs time to reestablish itself before it is burned to clear the land and fertilize the soil.
E. Slash-and-burn cultivation is associated with big-game hunting, which requires regular movement so as not to deplete the animal population.
Answer: D
You might also like to view...
Which of the following taxa is not a kingdom?
A. Animalia B. Chordata C. Planti D. Fungi
Which of the following societies considers ancestral spirits to bring rain?
a. Japanese b. Hopi c. Dani d. Ju/'hoansi
Members of a moiety:
a. belong to one of two major descent groups in a society. b. are those who are divorced (they lack their "better half"). c. are usually able to trace their exact genealogical links to their common ancestor. d. feel a much stronger feeling of kinship than is felt by members of a lineage or clan. e. belong to a group that is smaller than a lineage.
The technology-transfer solution may not be the best solution to the problem of hunger in less developed countries because a. many of the methods that work in industrialized countries with temperate climates do not work in thetropics
b. the capital for high-tech agricultural practices is not widely available in LDC. c. the poorest farmers, who need the most, do not have the resources to use high-tech agricultural practices. d. All of these are reasons that technology-transfer is not a viable solution for LDC.