Earth's Four Spheres

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Every natural aspect of Earth can be organized into four major Earth subsystems: lithosphere, hydrosphere, atmosphere, and biosphere.

Three of these systems are abiotic, which means non-living and one system is biotic, which means living.

More:
What are the Earth’s Four Systems?

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#geography
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Lithosphere, Hydrosphere, atmosphere, biosphere.

theyamrajcrew
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Who’s watching this for Science class?

brokn_ogs
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Is it just me or did you guys get a 3 minute ad?

coolkid