The continental margins of the Pacific Ocean are narrower than those of the Atlantic and are not covered with thick layers of sediment.
Explanation:
The continental margin is a major zone of the ocean floor. It separates the thin oceanic crust from the thick continental crust. The continental margin consists of three features
Continental rise
Continental slope
Continental shelf
The continental margins of the Pacific Ocean are comparatively narrower than the margins of the Atlantic and are not covered with thick layers of sediment.
According to Geology, there's a theory which held that surface, mountains, lakes, were created by suddenly because of great catastrophes like earthquakes and floods.