Responses
It is difficult to study marine life in the extreme depths of the ocean.
It is difficult to study marine life in the extreme depths of the ocean.
The ocean floor has thick layers of sediments and debris.
The ocean floor has thick layers of sediments and debris.
Fossils found on the ocean floor are much younger than those on continents.
Fossils found on the ocean floor are much younger than those on continents.
Earthquakes occur at the rim of the Atlantic Ocean.
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Hess' seafloor spreading hypothesis primarily explains that new oceanic crust is formed at mid-ocean ridges and old oceanic crust is pushed away from the ridges, which leads to the younger rocks being closer to the ridges and the older rocks being found further away. Therefore, the correct response would be:
Fossils found on the ocean floor are much younger than those on continents.
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