“About 30 percent of the Earth’s surface is land, including continents and islands. Land makes up a part of the Earth called the –, the Earth’s crust. The — also includes the ocean basins, or the land beneath the oceans.”

“About 30 percent of the Earth’s surface is land, including continents and islands. Land makes up a part of the Earth called the –, the Earth’s crust. The — also includes the ocean basins, or the land beneath the oceans.”

lithosphere