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The rocks on either side of a mid-ocean ridge record the direction of the Earth's magnetic field at the time they were formed, and form a pattern of 'magnetic stripes' on either side of the ridge which are symmetrical. It is also now possible to measure ocean widths with sufficient accuracy to show yearly changes.
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What do magnetic anomalies provide evidence of?
seafloor spreading
What are three types of seafloor spreading?
evidence from molten material evidence from magnetic stripes evidence from drilling samples
What is one phenomenon that is considered evidence of seafloor spreading?
The Mid Atlantic Ridge
How are magnetic patterns in sea floor rock evidence of seafloor spreading?
Magnetic alignment of rocks, in alternating strips that run parallel to ridges, indicates reversals in Earth's magnetic field and provides further evidence of seafloor spreading.
What is the evidence of seafloor spreading?
Animal fossils have been found in many places in the ocean.
Paleomagnetic evidence was used to confirm which of the following hypotheses?
seafloor spreading
Is there evidence that seafloor-spreading?
its not happy
What do magnetic anomalies provide evidence of?
seafloor spreading
How does the age of rocks in the seafloor provide evidence of seafloor spreading?
Rocks in the seafloor are moving one place to another
How do the ages of the rocks on the seafloor support the theory of seafloor spreading?
The ages of the rocks become older the farther the way they are from the ridges. The closer they are the younger it is. This leaves evidence to the seafloor spreading theory.
What are three types of seafloor spreading?
evidence from molten material evidence from magnetic stripes evidence from drilling samples
Magnetic striping is evidence of?
pole reversals seafloor spreading
What is one phenomenon that is considered evidence of seafloor spreading?
The Mid Atlantic Ridge
How are magnetic patterns in sea floor rock evidence of seafloor spreading?
Magnetic alignment of rocks, in alternating strips that run parallel to ridges, indicates reversals in Earth's magnetic field and provides further evidence of seafloor spreading.
How did the seafloor drilling help scientist find evidence to support the seafloor-spreading hypothesis?
people here are stupid , really the answer is not hi
How did seafloor drilling scientists find evidence to support the seafloor-spreading hypothesis?
dumb question. don't want to write it all
What is the evidence of seafloor spreading?
Animal fossils have been found in many places in the ocean.
