Answer:There are three main places where volcanoes originate: Hot spots, Divergent plate boundaries (such as rifts and mid-ocean ridges), and. Convergent plate boundaries (subduction zones)
Explanation:
Answer:
The rock of the ocean floor contains iron.
Explanation:
As molten material cooled and hardened, the iron bits inside lined up in the direction of Earth's magnetic poles, creating a pattern of magnetized stripes.
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