It is predicted by demographers that how many people will live in the North American Region by the year 2050?
A) 423 million
B) 270 million
C) 323.9 million
D) 41 million
E) 464 million
E) 464 million
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The process in which wealthy people buy dilapidated buildings and rehabilitate or refurbish them for urban living is called
A. welfare B. urbanization C. gentrification D. habitat
An example of artificial selection is the
A) breeding of corn from teosinte. B) observation that some snakes retain tiny, incomplete hind legs. C) evolution of antibiotic-resistant bacteria. D) fact that all mammalian limbs are made up of the same set of bones.
Which of the following can diminish the intensity of a hurricane?
A) frequent lightning B) moving over warmer water with more moisture above it C) moving over land D) significant increase in large-scale air flow aloft
The idea of ujamaa, promoted by Julius Nyerere, meant:
A) African socialism based on traditional values of communal ownership B) adoption of Marxist principles C) passive resistance to British control of tribal lands D) the end of apartheid E) none of these