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Explain Bot The correct answer is C. They modify Earth's surface.
To arrive at this answer, let's analyze the options:
A. They only occur in the ocean. This statement is inaccurate. While tsunamis are commonly associated with oceanic regions, earthquakes can occur both on land and under the ocean.
B. They originate on Earth's surface. Earthquakes and tsunamis can originate on Earth's surface, but they can also occur beneath it. Earthquakes occur due to the movement of tectonic plates, and the resulting seismic waves can be felt on the surface. Tsunamis, on the other hand, are generated by underwater disturbances, such as earthquakes, volcanic eruptions, or landslides.
C. They modify Earth's surface. This option accurately describes the commonality between earthquakes and tsunamis. Both of these natural events have the potential to modify the Earth's surface. Earthquakes can cause significant shaking, ground rupture, and displacement, altering the landscape. Tsunamis, when they reach the shoreline, can cause widespread flooding, erosion, and other changes in coastal areas.
D. They only occur on landmasses. This statement is incorrect, as both earthquakes and tsunamis can occur in oceanic regions as well.
To summarize, earthquakes and tsunamis have in common the ability to modify the Earth's surface (Option C).