The oceanic crust displays an interesting pattern of parallel magnetic lines, parallel to the ocean ridges, frozen in the basalt. In the 1950s, scientists mapped the magnetic field generated by rocks on the ocean floor.
Below are the Walmart customer service phone numbers for a variety of consumer needs. 1  Main customer service: 1-800-925-6278. 2  Financial services: 1-877-294-7880. 3  Business card services: 1-877-294-1086.  Gift card services: 1-888-537- 1 5503. Pharmacy refills: 1-800-273-3455.  Find a store near you: 1-800-881-9180.
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