Earth's water, whether found on continents or in oceans including the fresh water in ice, lakes, rivers and underground.
A storage area for fresh water.
An underground layer of rock or soil filled with water.
The layers of gases that surround Earth.
The force put on a given area by the weight of the air above it.
A nearly melted layer of hot rock below Earth's crust.
The solid, rocky surface of the earth which contain the continents and ocean floor.
The crust and the rigid part of Earth's mantle together.
Part of the Earth's core that is solid, extremely dense and under high pressure.
Part of the Earth's core that is molten or fluid.