![]() The ocean basins and the continents are the fundamental relief features of the Earth which are also considered the first-order relief features. Among all these seven continents of the world, Australia is the smallest and Asia is the biggest continent. There are 7 major continents in the world such as “Asia, Europe, Antarctica, Australia, South America, North America and Africa”. The Pacific Ocean is the largest ocean among all these, covering 30% of the surface area of the Earth. Among all these ocean basins, the Atlantic Ocean has the simplest ocean-floor age pattern. There are five main ocean basins such as the Atlantic, Southern, Arctic, Pacific, and Indian. Oceans basins originate from the rising of magma and mantle materials, rifting, and spitting of the continental crust in the lithosphere of the earth. Ocean basins and continents are the fundamental features of relief. ![]()
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