What were they able to show based on magnetic bands?
a.mid-ocean ridges and subduction zones are plate boundaries.
b.new crust is being generated at mid-ocean ridges
c.seafloor rocks contain magnetite
d.the earth's magnetic field had reversed in the past.

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Earth’s Interior and Plate Tectonics

2. Determine what type of plate tectonic boundary each of the following describes:
a. plates move alongside each other
b. plates move toward each other
c, plates move away from each other.
3. Describe how the gap is filled when two tectonic plates move away from each other:
4. Determine whether each of the following is likely to occur at convergent or divergent boundaries:
a. rift valley
b. continental mountains
c. mid-oceanic ridge
d. ocean trench
5. Explain how magnetic bands provide evidence that tectonic plates are moving apart at mid-oceanic ridges.
6. Predict what type of plate boundary exists along the coastline near Japan’s volcanic mountain ranges.

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