<span>The <u><em>most likely</em></u> cause of this volcanic activity is the release of pressure from the Earth's core through weak portions of tectonic plates.
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Magnetic reversal is a<span> change in the Earth's </span>magnetic<span> field resulting in the </span>magnetic<span> north being aligned with the south, and vise versa. This also supports the sea floor spreading idea. </span>
Answer:
A depression is represented by a series of clustered, closed contours with a lower height than the external surrounding contours.
Explanation:
These contour lines show small ticks or hacks suggesting a lower height.
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