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10 cards from this deck
Soil removed faster than it can naturally form
Wind and water
Growing only one type of crop
Removes plants/roots, makes soil easier to erode
20 tonnes soil produces 1 tonne crops
Raindrops loosen soil, washed away uniformly
Water in small channels carries soil down slopes
Deep trenches with steep sides from water concentration
Finest particles lifted high into air as dust storms
Medium sand particles bounce and hop along ground
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