The combined albedo of Earth and the atmosphere is approximately ____ percent
a. ?4
b. ?10
c. ?30
d. ?50
e. ?90
ANSWER: c
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The category of economist that has taken the middle ground in the debate about economic growth, and believes in fine-tuning economic systems and tools, is the
a. ecological economist b. environmental economist c. neoclassical economist d. neoconservative economist e. high-throughput economist
The Earth's magnetic field is generated by
A. convection currents in the asthenosphere. B. aligned magnetic minerals within Earth's inner core. C. salty water moving through the deep parts of the crust. D. movement of iron and electrical currents within Earth's outer core.
Tornadoes most often move TOWARDS what direction?
A) southeast B) northwest C) west D) northeast
when was the first attempt to measure the distance to the sea floor?
What will be an ideal response?