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the darkness and the weather condition
While studying the ocean floor, scientists found alternating bands of magnetism. Each band is magnetized with a polarity that is opposite the surrounding bands.
Alvin, Sonar , and underwater vessels
Through geomagnetic reversal whee they studying the magnetic properties of the seafloor.
Pictures, or scattered debris on the floor of the ocean appeared.
Pictures, or scattered debris on the floor of the ocean appeared.
People have studied the ocean since ancient times , because the ocean provides food and serves as a route for trade and travel.
Pictures, or scattered debris on the floor of the ocean appeared.
sonar sonar sonar sonar SONAR
It helps them determine the frequency of shifts in the magnetic orientation of the Earth, and initially led to the confirmation of seafloor spreading at the mid-ocean ridges.
The topography of the ocean floor