Describe the four main spheres of Earth. 1. lithosphere: 2. hydrosphere: 3. atmosphere: 4. biosphere:

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The four spheres show how the four main components of Planet Earth form a complete system. These main components are land, air, water, and life.The lithosphere, also known as Geosphere is made of the earth's core, the mantle, crust, ocean floor,mountains, sand, rocks, alphalt, bricks, etc.The hydrosphere is made of everything water such as oceans, rivers, lakes, rain, snow, and ice caps.The atmosphere is made of gasses such as oxygen, hydrogen, water vapor, ozone, and the wind.Finally the biosphere is all that has life such as plants, animals, people, insects, microbes, etc.

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