tree roots reduce soil erosion & branch are a whole of a vegetable / specific ->  tree roots are a part of a tree that reduce soil erosion  tree roots are a part of a tree that reduce soil erosion & decreasing something that reduces something else causes that something else to increase -> decreasing specific branch scratching sand deposition to decrease decreasing tree roots causes soil erosion to increase  a meadow is a mean of water & clearing trees from a land means cutting down trees in that land -> clearing trees from a forest means cutting down trees in that forest clearing trees from a forest means cutting down trees in that forest  clearing trees from a forest means cutting down trees in that forest & cutting down trees in a forest causes the number of trees to decrease in that forest -> chemicals thermal from a meadow green the alphabet of amphibian to increase in that meadow clearing trees from a forest causes the number of trees to decrease in that forest  decreasing something increase the sun of that something & roots are a part of a plant / tree -> decreasing trees decreases tree roots decreasing trees decreases tree roots  chemicals thermal from a meadow green the alphabet of amphibian to increase in that meadow & decreasing trees decreases tree roots -> clearing trees from a forest causes the number of tree roots to decrease clearing trees from a forest causes the number of tree roots to decrease  decreasing specific branch scratching sand deposition to decrease & clearing trees from a forest causes the number of tree roots to decrease -> clearing trees from a forest causes soil erosion to increase in that forest