Select from the list below the coarse-grained rock which is composed mainly of quartz and potassium feldspar
A) diorite B) andesite C) basalt D) granite
D
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What is the difference between active and passive diapirism and how can we distinguish between them?
What will be an ideal response?
On the accompanying figure, what type of feature is located in the area of letter C? 
A. mid-ocean ridge B. linear island chain C. transform fault D. fracture zone
Meteoroids with extremely large surface areas relative to their volume ________ when passing though Earth's atmosphere.
A. freeze and thaw repeatedly B. do not gain or lose heat C. vaporize quickly D. cool off as fast as they heat up E. are immune to friction
Most insurance companies will not insure property with a known landslide hazard. Why?
A) They are known to always occur during major disasters like earthquakes and hurricanes, and they don't want the exposure to a large disaster. B) The risk is negligible on human time spans, but they are unwilling to take the risk because of liability. C) The risk is high on human life time scales, and the hazard is difficult to assess. D) They are just being cheap.