What percentage of the world's plant and animal species are found in tropical rainforests?
A) 40%
B) 10%
C) 20%
D) 50%
E) 30%
D) 50%
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It is ironic that modern Europe struggles to remain globally competitive because the wave of _______________________ in the fifteenth, sixteenth, and seventeen centuries established the economic and cultural networks of modern globalization.
a. mercantilism b. communism c. nationalism d. capitalism
The "separate but equal" doctrine was legally established by
A) states. B) Plessy v. Ferguson. C) Brown v. Board of Education. D) the Missouri Compromise. E) the fourteenth amendment to the Constitution.
Scientists expect human-enhanced global warming to do all of the following except
a. alter precipitation patterns b. shift areas where we can grow crops c. raise average sea levels d. lower sea levels e. shift areas where plants and animals can be found
Human population growth rates are influenced by both biological and cultural factors. Which of the following biological factors is NOT related to differences in the population growth rates countries?
A. The death rate. B. The total fertility rate. C. The age at which girls can first become pregnant. D. Percentage of young people in the population.