What happened to the mountains formed during the Taconic orogeny?
a. They were buried under volcanic ash.
b. They were subducted when the Iapetus ocean opened.
c. They were subducted during the closure of the Iapetus ocean.
d. They were eroded into the Queenston Delta.
e. They were isostatically uplifted.
d
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As of 2009, per capita CO2 emissions in the United States were
a. Two times as high as China b. Five times as high as China c. Two hundred times as high as some of the world's poorest countries d. A and C are correct e. B and C are correct
Which basic force binds atoms into molecules?
A)gravity B)molecular affinity C)strong nuclear D)electromagnetic E)weak nuclear
Calculation of resisting and driving moments is most applicable to:
a. slumps b. rock slides c. debris flows d. topples
Which of the following is false?
a. Radiation travels at the speed of light. b. Radiation may be classified according to wavelength. c. Radiation from the sun upon absorption by Earth is re-radiated to space as shorter wavelength radiation. d. Radiation refers to a process of energy transfer.