Relier Pairs SCIENCE 6-Unit 04-Act.04Version en ligne Earth's SPHERES description par JOAQUIN MUNIOSGUREN PRIETO 1 It is the layer of gases that surrounds the Earth. It is made up of air. Rain, snow and wind form here. 2 It's the rochy part of The Earth; It's made of rocks, sand, soil... It's divided in 3 layers. 3 It consists of all living things and the places where they live. It is all the Earth's ecosystems. 4 It is all the Earth's waters: oceans, seas, rivers, lakes, clouds and groundwater. There is fresh water and salt water. Biosphere Geosphere Hydrosphere Atmosphere