The most prominent feature of ocean topography discovered in the 1960s was:

1) volcanic activity at the ocean bottom
2) a submerged mountain ridge
3) seamounts
4) subduction zones

Respuesta :

Answer:

Volcanic

The most prominent feature of ocean topography discovered in the 1960s was: Volcanic activity at the ocean bottom. The continents have always been in their current positions.

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Answer:

submerged mountain ridge

Explanation:

cause it is