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NS140 Chapter 6

QuestionAnswer
Alfred Wegener proposed that all continents once joined together to form one supercontinent named which of the following? Pangea
Which of the following lines of evidence that Alfred Wegener used to support the theory of continental drift was proven to be inaccurate? physical mechanisms
Which of the following statements correctly contrasts continental crust and oceanic crust? Oceanic crust is between 4 and 7 kilometers thick.
Which of the following statements is a correct feature of Earth's core? The core's radius is about 3,470 kilometers.
Which of the following statements is not a key observation made by Harry Hess in 1962 in support of the sea-floor spreading hypothesis? The continents are carried actively along by the convecting mantle. They plow through oceanic crust.
Which of the following correctly describes the term guyot? ancient sunken volcanoes eroded by wave energy
Which of the following can produce an earthquake? forces generated at plate boundaries
Characterize the plate tectonics and activity of the Himalayas. two converging plates crumpling against one another
Which of the following statements correctly describes the nature of a tectonic plate? A single plate can carry both oceanic crust and continental crust.
Which of the following statements correctly describes the nature of a tectonic plate? Plate boundaries are tectonically active.
Which of the following refers to the circulating flow of fluid material in response to heating and cooling? convection
Which of the following is not a process that drives circulation of the mantle? magnetic reversal of Earth's field
A so-called 'hot spot' in the upper mantle can directly cause which of the following? volcanism
When was the first supercontinent formed? between 2 billion and 1.8 billion years ago
Suppose a geologist finds a beach from the last ice age that is now tens of meters above sea level. What region of the world is this most likely to be? Scandinavia
Which of the following geographical areas is most likely to have the deepest roots into the asthenosphere? Himalayas, a high mountain chain
Which of the following is not an example of a volcanic mountain range? Appalachians
What is the origin of a scarp? earthquake
Which of the following does not alter Earth's climate and ecology? Earth's gravity field
Establishment of the current climate of Antarctica is most consistent with which of the following? ocean currents
Created by: robynlee
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