In addition , weathering is the effect of atmospheric exposure to man-made structures and materials .
Chemical weathering , means the direct effect of atmospheric chemicals , or biologically produced chemicals -LRB- also known as biological weathering -RRB- , in the breakdown of rocks , soils and minerals .
Chemical weathering , means the direct effect of atmospheric chemicals , or biologically produced chemicals -LRB- also known as biological weathering -RRB- , in the breakdown of rocks , soils and minerals .
Rewrite the sentence to be simpler: In addition , weathering is the effect of atmospheric exposure to man-made structures and materials . Output: