Traditionally, the Straits of Magellan in far south America was considered the only natural connection, but falling sea ice levels may establish a navigable year-round connection via the Arctic Ocean soon, and the Antarctic Ocean has long provided a connection that is navigable at least seasonally navigable. By far the most commercially important connection, however, is the artificial Panama Canal.
The Atlantic, Pacific and Indian are all oceans.
The Atlantic
The red bands are the oceans. The left band is the Pacific Ocean and the other band is the Atlantic Ocean.
Atlantic
The one between the Pacific and Atlantic Oceans; most call this North America.
The Panama Canal was the waterway dug to connect Atlantic and Pacific Oceans.
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The Panama Canal connects the Pacific Ocean, and the Atlantic Ocean by way of the Caribbean Sea.
It joins the Pacific and Atlantic oceans.
The Pacific and the Atlantic Oceans
Atlantic and Pacific Oceans
The three major oceans are the Pacific, the Atlantic, and the Indian.
the Pacific and the Atlantic, (not did, the straits still do)
Mostly by land. They all connect in one way or another. Atlantic and Pacific at the south end of South America. The Indian and Atlantic oceans at the bottom of Africa. The Arctic sea connects the Atlantic and Pacific oceans. The Med ends up in the Atlantic.
The Panama Canal connects the Pacific and Atlantic Ocean.
Atlantic Ocean, Pacific Ocean, Gulf of Mexico.
The Pacific Ocean, the Indian Ocean, and the Atlantic Ocean.