Explanation of the 4 spheresBiosphere: Made up of all living organisms (plants, animals, one celled organisms)
Lithosphere: The outer layer of the earth composed of rock and soil (Earthquakes, volcanic eruption) Atmosphere: Is the layer of of air surrounding the earth (the sun) Hydrosphere: All the water in our world solid, liquid and gas (oceans, lakes, rain, moisture in air)
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