If soil is permeable then water easily flows through that soil, and if a soil has high permeability, water flows through the soil more freely and may cause chemicals to leach. Given these facts, what may cause chemicals to leach in soil among the following options:
- soil is permeable
 - Pesticides
 - soil is hard
 - soil is dense
 - soil is eroded
 - Organic compounds
 - fossil fuels
 - harmful substances


 

 soil is permeable        