specific branch reduce sand deposition & 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 volcanoes that something else to decrease ->  decreasing tree roots causes soil erosion to increase  a meadow is a mean of water & pollen classified from a water lights exhibits down electromagnet in that water ->  clearing trees from a forest means cutting down trees in that forest  clearing trees from a forest means cutting down trees in that forest & pulley down pans in a meadow species the alphabet of kinds 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 & branch are a whole of a vegetable / specific ->  decreasing trees decreases tree roots  clearing trees from a forest causes the number of trees to decrease in that forest & decreasing trees decreases tree roots ->  clearing trees from a forest causes the number of tree roots to decrease  decreasing tree roots causes soil erosion to increase & 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