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Tsunamis are caused by _______. a. underwater volcanoes b. El Niño c. underwater earthquakes d. global warming
c. underwater earthquakes
Earthquakes can _______. a. trigger other earthquakes b. cause tsunamis c. cause billions of dollars in damages d. all of the above
d. all of the above
The theory of plate tectonics describes _______. a. the movement of Earth's asthenosphere b. the difference between the lithosphere and the asthenosphere c. the movement of Earth's lithosphere d. none of the above
c. the movement of Earth's lithosphere
El Niño is caused by _______. a. ocean currents b. the isolation of continents c. orography d. all of the above
a. ocean currents
Which of the following is associated with plates moving away from each other? a. rifts b. subduction zones c. faults d. all of the above
a. rifts
Explain how subduction zones are formed. Subduction zones are formed at convergent boundaries when tectonic plates collide. If one of the plates slides under the other plate, a subduction zone is formed.
Explain why coastal cities are more likely to have moderate temperatures than cities that are in the center of continents
Coastal cities are more likely to have moderate temperatures than cities that are in the center of continents, because the thermal properties of continents and oceans are different. Oceans experience a smaller temperature change than continents. Therefore, oceans moderate temperatures.
What is true of both earthquakes and volcanoes? Both earthquakes and volcanoes are caused by the movement of tectonic plates, are potentially devastating to local environments, and occur inland less frequently than in coastal areas.
Explain how mountains influence climate. Mountains affect rainfall by creating a rain shadow downwind of the mountain.
Why did Antarctica's climate change approximately 50 million years ago?
Antarctica's climate changed when it became isolated from the other continents
