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The 4 Spheres of Earth Hydrosphere Includes all water at or near Earth’s surface Includes: - liquid and frozen surface water Ex. rivers, lakes, oceans, glaciers, etc. - groundwater (water underground) atmospheric water (evaporated water) Atmosphere The gas and aerosol (microscopic liquid and solid particles like soot, dust, chemicals etc.) layer that surrounds Earth extending from the ocean and land out to space. Geosphere The rocks and minerals on Earth Includes: - The molten rock in the interior of the earth Earth’s solid outer crust Non biotic parts of the soil Biosphere The thin layer on Earth’s surface where life can be found and supported. - Extends from the deep ocean to a few kilometers into the atmosphere Includes biotic components (living) and abiotic components (non-living) which help support living organisms How Wolves Changed a River https://www.youtube.com/watch?v=ysa5OBhXz-Q&index=3&list=PLiZ5Jx0en6PlNp8zIm5cbT4Obo_wcpkY