trees and forests
It covers 16% of Virginia's land area. From wiki
The tropical forest covers most of the land.
The terrestrial biome that covers the most land area is the taiga. It covers most of Canada and Russia, the world's two largest countries.
Gobi Desert covers most of the land in China and Mongolia.
The type of land form covers most of the Midwest are the Plains
topsoil
taiga
Australia
Temperate grasslands.
Gobi I think
Brazil
About 32% forests and woodlands and about 30% farmable land.