The initial step in the scientific method is
a. the formation of a theory.
b. the formation of a hypothesis.
c. to perform an experiment.
d. to publish a scientific article.
e. to collect data and establish facts.
b
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In the past, some North American hunter-gatherers had large year-round settlements and complex social systems maintained by
A) abundant, reliable, and concentrated food resources. B) a native monetary system. C) the generosity of the chiefs. D) the courage of the warriors. E) trade with European colonists.
For the most part, Neolithic crops were selected for:?
a. higher productivity and storability rather than nutritional value
b. lower productivity, higher storability, and nutritional value
c. higher productivity and higher nutritional value rather than storability
d. lower productivity and more storability and nutritional value
Which of the following was observed in the Bahia, Brazil, development project in which sailboat owners got loans to buy motors, as described in this chapter?
A. Ambitious young men increasingly sought wage labor. B. The fishing community became more egalitarian. C. There was an increase in commercial sailboat ownership. D. The price of power fishing vessels decreased. E. Individual initiative was rewarded, and the fishing industry grew.
The Wallace Line is used to designate the:
A. wind-blown silt deposited in deep layers in certain parts of the Northern Hemisphere. B. repeated sets of tally marks, usually in groups of 8 to 10 and made with different stone tools, on engraved bone pieces. C. style and outline of the Venus figurines from the Upper Paleolithic. D. divide between the two distinct groups of animal species.