Radioactive heat production in the earth is most likely in the:
a. upper mantle
b. asthenosphere
c. oceanic crust
d. continental crust
d
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The age of the seamounts from Hawaii to Midway Island increases in age from east to west.
Answer the following statement true (T) or false (F)
What are some free ecosystem and economic services provided by inland wetlands?
What will be an ideal response?
Short-grass prairies ____
a. are often cultivated without irrigation b. grow in areas where the subsoil is permanently dry c. cannot support grazing animals d. tend to coincide with areas of tropical monsoon climate e. only occur in the Southern Hemisphere
Which of the following would most decrease the albedo of a city?
A. lighter, smoother surfaces B. darker, rougher surfaces C. lighter, rougher surfaces D. darker, smoother surfaces