Q. What is the name of the strait or the sea route in the southern Chile that separates South American mainland to the north and Tierra del Fuego archipelago to the south?
Answer: Strait of Magellan
Notes: Strait of Magellan is the strait or the sea route in the Southern Chile that separates South American mainland to the north and Tierra del Fuego archipelago to the south. It is one of the only three natural navigable waterway passages between the Pacific Ocean and the Atlantic Ocean in the Southern Hemisphere, the other two are the Drake Passage and Beagle Channel.