Foliation of metamorphic rocks can be formed by
a. Rotation of platy and/or elongated minerals
b. Recrystallization of minerals
c. Changing shape of grains into aligned elongated shapes
d. All of the above
e. None of the above
Ans: d. All of the above
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A region with long, very cold winters and average temperatures that exceed 50°F only one or two months during the summer has a(n) ____ climate
A) subpolar (Dfc) B) polar tundra (ET) C) polar ice cap (EF) D) alpine (An)
Standard provisions of structural adjustment programs include all of the following
a) reduction of education and public services. b) increased subsidies. c) liberalization of trade. d) emphasis on export crops.
Throughout history, cities have ________
A) been self-sustaining in food production B) been major sources of labor for the rural areas surrounding them C) destroyed the rural areas surrounding them through conquest or politics D) had disagreements with the rural areas surrounding them E) drawn resources from surrounding agricultural areas
Which term refers to the process of repairing damage caused by humans to the biodiversity and ecosystem services provided by ecosystems?
A. ecological restoration B. ecological rehabilitation C. ecological conservation D. ecological preservation E. ecological reconciliation