Eighty percent of the world's annual tonnage of all crops today is made up of approximately how many varieties of plant species?
a. 4
b. 18
c. 12
d. 22
c
You might also like to view...
Imagine how your life might be different if unilocal—rather than neolocal—were the rule in North American society. What social trends are generally associated with these residence patterns?
What will be an ideal response?
The Ju/’hoansi residing in //Nhoq’ma village are in a transition phase in which _____
a. they are exploring ecotourism and playing host to tourists b. they have become expert hunters, relying on meat for their caloric intake c. they rely on sharing and interdependence for their survival d. accumulation of material goods is important to their ranked society e. they are carrying out agriculture in addition to hunting and gathering
Slash and burn cultivation, otherwise known as __________, is a farming technique for preparing new fields by cutting down trees and bushes then burning them in order to clear the land and enrich the soil with nutrients
a. crop rotation b. field rotation c. swidden cultivation d. fertilizer based horticulture
People managed food scarcity during the Paleolithic by incorporating less favored food into their diet and increased the variety of food they ate
a. True b. False Indicate whether the statement is true or false