Oceanic basin an active - and growing - oceanic basin include an elevated mid-ocean ridge, flanking abyssal hills leading down to abyssal plains. The elements of an active oceanic basin often include the oceanic trench associated with a subduction zone. The Atlantic ocean and the Arctic ocean are good examples of active, growing oceanic basins, whereas the Mediterranean Sea is shrinking. The Pacific Ocean is also an active, shrinking oceanic basin, even though it has both spreading ridge and oceanic trenches. Perhaps the best example of an inactive oceanic basin is the Gulf of Mexico, which formed in Jurassic times and has
Fridtjof Nansen Nansen in the Yukon region of Canada; Mount Nansen, Mount Fridtjof Nansen and Nansen Island, all in Antarctica; as well as Nansen Island in the Kara Sea and Nansen Island in Franz Josef Land; 853 Nansenia, an asteroid; and Nansen, a crater at the Moon's north pole. His Polhøgda mansion is now home to the Fridtjof Nansen Institute, an independent foundation which engages in research on environmental, energy and resource management politics. "Just a life – the story of Fridtjof Nansen" was released, a 1968 Norwegian/Soviet biographical film with Knut Wigert as Nansen. The Royal Norwegian Navy launched the first