As of 2012, it is estimated that the total number of nuclear warheads in the world is about ______.
A. 300
B. 3000
C. 19,000
D. 90,000
C. 19,000
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The view that it is necessary to pay a surgeon a large amount of money so that people will undertake the difficult training necessary to fill this job is this characteristic of:
a. Conflict theory. b. Functional theory. c. Symbolic theory. d. Configurational theory. e. Diffusion theory.
What is the one single most important reason that human impact on the planet has been so great?
a. The lowered age of menarche and consequent lack of education among women b. Loss of biodiversity c. Increase in bacterial forms of life d. Increasing population e. The decrease in the maximum life span of humans
Cave art is associated with:
A. Homo sapiens B. Homo heidelbergensis C. Homo neanderthalensis D. Homo erectus
One of the results of the Green Revolution has been to dramatically increase the number of crop varieties available to farmers
Indicate whether the statement is true or false