1º CC.SS. - TEMA 2 - Vocabulary solved

• Cliff: high steep rock face.
• Mountain: high terrain with steep slopes.
• Plateau: extensive flat area at a certain altitude over the sea level.
• Plain: low and flat area.
• Stream: a flow of water with considerably less volume than a river.
• Riverbed: a river flows along this.
• Volcano: an opening in the Earth`s crust.
• Aquifer: fresh water that is underground.
• Continent: one of the five very large areas of land.
• Continental shelf: plunged plateau that extends from the edge of the continents to about 200 m deep.
• Mantle: intermediate layer.
• Lithosphere: the Earth`s crust and upper mantle.