How does the formation, break-up, and subsequent formation of supercontinents explain the origin of cratons?
What will be an ideal response?
Answer: Subduction will bring small volcanic islands together, creating larger landmasses. The larger landmasses come together to form continents. The continents continue to grow as accreted terranes are added to their borders. Sometimes, these accreted terranes are in the form of microcontinents. It all boils down to subduction.
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A padded dashboard in your car is safer during an accident than the older non-padded ones because you'll hit the dash with
A. increased time of contact. B. decreased contact force. C. both of these D. neither of these
The author cites four conditions that raise doubt about the applicability of the demographic transition to less developed countries: Describe and briefly discuss one of these conditions.
What will be an ideal response?
What is evidence for stream abrasion in solid rock?
A. A cutbank B. A point bar C. A pothole D. A meander
Instructions: Choose one answer from each pair of selections. Florida has MORE | FEWER thunderstorms in an average year than Oklahoma