The most serious problem caused by population growth is ________
A) too few jobs
B) inefficient food transportation
C) lack of farmland to meet food needs
D) increasing demand for all resources
E) crowding
Answer: D
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Which two nations of South Asia comprise the largest population in the region?
A) India and Nepal B) Bangladesh and Pakistan C) India and Sri Lanka D) India and Pakistan E) Nepal and Bhutan
A crystal with a well-defined shape, such as a cube, probably
A. does not have a well-defined cleavage. B. grew early and so was forced to grow around other minerals. C. does not reflect the arrangement of atoms in the lattice. D. will react with dilute hydrochloric acid. E. None of these choices are correct.
The Gulf Stream moves water away from the equator, the Benguela Current moves some of the this same water back toward the equator.
a. true b. false
Which of the following has been linked to the coldest years of record over the past 200 years?
a. levels of carbon dioxide b. El Niño c. the sunspot cycle d. volcanic activity