________ is currently the most volcanically active object in our solar system.
A. Europa
B. Mercury
C. Our moon
D. Io
E. Mars
Answer: D
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Luminosity is
A. the stars apparent brightness. B. the stars total infrared output. C. the stars particular color spectrum output. D. the total amount of light energy that star emits into space.
The increasing globalization of production
A) was accompanied by an new international division of labor. B) was possibly only because the largest corporations stayed put in the U.S. C) had little effect on the deindustrialization process in the industrial nations. D) strengthened the power of unions in advanced economies. E) followed along the same trends as the old imperial system.
When the Kelvin wave hits the coast of South America
A. the thermocline is at a much more shallow level as warm water is concentrated at depth. B. the thermocline is at a much more shallow level as cold water is concentrated at depth. C. the thermocline is found much deeper as warm water is concentrated at depth. D. the thermocline is at a much more shallow level as cold water is concentrated at the surface.
All of the world's largest telescopes are of the refracting type
Indicate whether the statement is true or false