troposhere, where weather happens, stratosphere, where ozone protects us, mesosphere, where meteors burn, thermosphere, where the ISS is located, exosphere, the last layer before space, hydrosphere, where all the water is, cryosphere, where all the frozen water is, groundwater, water found under the ground, oceans, where 97% of all water is, geosphere, where all soil, rock, metals and minerals are, crust, the thinnest, solid layer of soil and rocks, mantle, the thickest layer where rocks are melted, outer core, the liquid metal layer, inner core, the solid metal middle, biosphere, where all living things are

Earth Systems

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