cycle water in nature environment drawn with chalk on a school blackboard

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Size: 5500px × 4988px
Photo credit: © Dorota Nowańska / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: arrow, blackboard, chalk, cloud, cycle, diagram, drawing, drawn, earth, eco, ecological, ecology, education, environment, evaporation, fall, flow, geography, graphic, green, ground, h2o, hydrological, illustration, lake, land, learn, nature, plan, precipitation, rain, representation, river, schema, schematic, school, science, sea, sky, soil, steam, symbol, topography, tree, vapor, vector, water