The earliest humans to reference the ground called it earth (in their languages, of course). Over time, this has spread to reference the entire planet, rather than just the ground in one spot.
Other popular names include Terra Firma and Gaia.
Because almost two-thirds or seventy-five percent of Earth is made up of water.
The earth is made of water and land; therefore it is a water AND land planet.
It is the only planet with water
earth core is made of an alloy of.... MOSTLY IRON AND NICKEL
The Inner (solid) and Outter (liquid) Core are made up of Nickel and Iron.
lithoshpere
Mostly iron, oxygen, silicon, magnesium, sulfur, nickel, and calcium.
Earth has a core of solid and liquid iron, a mantle of ultramafic rock, a crust of complex mineral compounds, and an atmosphere of nitrogen, oxygen, and other gases. Physical and chemical reactions on the Earth include the compound water (dihydrogen oxide or oxidane) in all three of its physical phases. Carbon-cycle (living) organisms utilize and alter the surface of the planet.
Most of it is water, the rest is rock.
The surface of earth is covered mostly by water.
The surface of planet Earth is made up of 71% water.
They are mostly hidden underwater because nothing has yet made them erupt and come to the surface.
basalt and granite
70% of the Earth's surface is water. The rest is land masses that are made up of many different kinds of rocks.
Comets, because they are made from ice and dirt.
the ocean
Yes, but not liquid water. The surface of Titan is made mostly of ice. It also has lakes and rivers of liquid methane.
Umm iron?
Limestone is mostly calcium carbonate.
no