The rock type that forms at new seafloor spreading centers is
A. rhyolitic.
B. granitic.
C. andesitic.
D. basaltic.
Answer: D
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Modern cities that are incorporating sustainability as a guiding principle have realized that by mimicking important features of natural ecosystems, their city is at the forefront of today's urban planning
At the center of this sustainability design is the efficient capture and use of energy and matter. Describe and explain three specific ways in which a city can incorporate aspects of this ecosystem principle that focuses on matter and energy use.
Soil classifications, like biological classifications, use a taxonomy. The first syllable(s) gives a descriptive term and last syllable is ________
A) drt B) soil C) sol D) solt
Which of the following best describes the process of eluviation?
A) feldspar decomposition and leaching of the soluble products from the C soil horizon B) buildup of calcite in the B-horizon of pedocal soils C) removal of soluble chemical constituents from the A and B soil horizons D) removal of very fine-sized silt and clay particles from the A and E soil horizons
The Middle East has approximately two-thirds of the world's oil reserves. What group of countries below also accounts for significant reserves of oil?
A) Mexico, Venezuela, Russia, Nigeria B) India, Pakistan, Somalia, Kenya C) Japan, South Korea, North Korea, Philippines D) Argentina, Jamaica, Portugal, Morocco E) South Africa, Zimbabwe, Madagascar, New Zealand