Diagram showing soil layers on earth

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• underground
• cartoon earth
• cartoon grass
• earth
• ground
• soil
• cartoon landscape
• environment
• rock
• grass landscape
• earth planet
• globe
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• world
• pebbles
• nature
• paisaje
• lawn
• grass ground
• global
• outside
• cartoon plant
• stone
• natural stone
• plant
• science
• scientific
• outdoor
• planet
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