The extensive form of horticulture in which the natural vegetation is cut, the slash is subsequently burned, and crops then planted among the ashes is known as slash-and-burn cultivation. It is also called:
a. intensive agriculture.
b. complex farming.
c. simple agronomy.
d. swidden farming.
e. extensive cultivation.
d
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What are the specialized features of the human skeleton that are adaptations for bipedal locomotion?
What will be an ideal response?
Ethnolinguistics is part of historical linguistics
a. True b. False Indicate whether the statement is true or false
The spear thrower
A) increased both range of throw and force of impact B) was only effective at very close range, forcing hunters to stalk their prey more carefully than ever C) postdates Upper Paleolithic times, but was used by many modern hunting cultures D) decreased the range of a throw, but increased the spear's speed E) was less powerful than the bow and arrow
Hominids became bipedal
A) about 2 million years after they began to make stone tools B) about 2 million years before they began to make stone tools C) about the same time they began to make stone tools D) about 4 million years before they began to make stone tools E) none of these