What is the role of heat as an agent of metamorphism? What are the heat sources available for the
creation of metamorphic rocks? What will be an ideal response?
Heat increases the rate of chemical reactions that may produce minerals different from those in the
original rock. Heat may come from lava, magma or from earth’s internal heat as a result of deep burial
at a subduction zone.
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We can best face the challenge of slowing population growth through
A. promoting family planning and elevating the status of women. B. slowing economic development. C. legislation that applies only in less developed countries. D. overexploiting shared resources. E. decreasing the educational status of women.
The best way to address obesity is with
A) a diet primarily of dairy products and whole grains. B) hard physical labor and a high protein diet. C) food aid and educational programs. D) a diet based on a balanced "food plate" selection, exercise, and limits on fats and sugars.
Approximately how much glycogen is stored by a well-nourished healthy adult?
A) 250 g B) 350 g C) 450 g D) 550 g
Contingent valuation ________
A) measures how much people would pay to restore a resource after it is damaged B) involves buying and selling "rights to pollute" C) measures how much time, effort, and money people spend to travel for natural recreation D) says we should treat others as we wish to be treated E) says all individuals deserve just and equal treatment