Asia and Africa.
It has the largest percentage of barren, non-arable land of all the continents, excepting only Antartica.
Asia got to the worlds largest continent when the rest of the continents broke apart. when Asia remained intact it had the most land out of the rest making it the largest.
Asia Africa North America South America Antarctica Europe Australia
The world's largest continuous landmass is the continent of Eurasia. Although Europe and Asia are often considered to be separate continents for political purposes, the landmass is continuous.
Continents, largest to smallest:AsiaAfricaNorth AmericaSouth AmericaAntarcticaEuropeAustralia
The Caspian Sea, though Europe and Asia are continents and not countries.
The Isthmus of Panama separates the world's two largest oceans. They are the Pacific Ocean and the Atlantic Ocean!!
Worlds largest animal: Blue Whale
worlds largest producer of nickel
USA has the worlds largest rail network.
the worlds largest swamp is the Sudd thx for asking