Biosphere: humans, trees, fish, cats, insects, Atmosphere: oxygen, carbon dioxide, clouds, wind, Geosphere: mountain, rocks, molten rock, dirt/soil, Hydrosphere: ocean, river, lake, pond,

Hydrosphere, atmosphere, geosphere, biosphere

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

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