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Earth's Spheres By Conner O'Bryan The Hydrosphere The Hydrosphere is all the water on the Earth. Salt Water Salt water is 97% of the water on the Earth, salt water is 71% of the water on the Earth's surface, you have to filter salt water to drink it. Fresh Water Fresh water is 3% of the water on the Earth, most lakes on the Earth are fresh, you can drink fresh water. Conclusion Water keeps every living thing alive, there's a lot of water. The Geosphere The Geosphere is the Earth itself, excluding plants, trees, and other living things. The Crust Continental crust is 35 to 70 km thick, oceanic crust is 5 to 10 km thick. The Mantle The mantle is hot slow moving rock, and 2,900 km thick. The Core The core is liquid, the center of the Earth, and 3,500 km thick. Conclusion The Geosphere is the rocky part of the Earth. The Cryosphere The Cryosphere is all the frozen stuff on Earth. Examples of The Cryosphere Some examples of ice would be sea ice, ice bergs, glaciers, and ice shelves. An example of something in The Cryosphere that is not ice would be permafrost. Locations of The Cryosphere Glaciers are found at high latitudes, ice changes between seasons, and permafrost is found at mountains and hills. Conclusion The Cryosphere effects all species and climates. The Atmosphere The Atmosphere is a thin layer protecting the Earth from some items in space. Gases in The Atmosphere The Atmosphere is 78% nitrogen, 21% oxygen, argon, carbon dioxide, water vapor, etc. 1%, and some gases reflect UV Rays from The Atmosphere. The Atmosphere and Space Rocks Small meteorites burn up in the atmosphere. Conclusion Without The Atmosphere we would all die a horrible death. Except the astronauts that happen to be on the moon at that time they would just run out of oxygen and still die, so either way humanity and anything loving on Earth would die if The Atmosphere was somehow destroyed. The Earth would also probably be destroyed by an asteroid, or a solar flare. (: ^ If this creeped you out DEAL WITH IT! ^ The Biosphere The Biosphere is all the life on Earth. Members of The Biosphere The Biosphere is everything alive like goats, sloths, humans, dog, cats, dingos, wolves, Tasmanian devils, wallabies, kangaroo, shark, salmon, halibut, pigs, spiders, flies, etc. Everything I tell you, EVERYTHING!!!! How Climates Effect The Biosphere Climates can effect The Biosphere easily, like if Antarctica turned into the hottest desert on Earth penguins would die. Not the penguins not the penguins. Conclusion Without The Biosphere we wouldn't exist, the Earth would be here, but it would be empty and there would be nothing here.