SOIL POLLUTION

vocabulary

• Chemical fertilizers - substances that are added to soil to help the growth of plants
• Runoff waters - water from rain or snow that flows over the surface of the ground into streams
• Acid precipitation - precipitation (as rain or snow) that is acid

vocabulary

• Decomposition - a natural process of destroying, breaking down dead plants and bodies of dead animals
• Sewage sludge - semiliquid waste obtained from the processing of municipal sewage such as human urine and feces, often used as a fertilizer.
• Excavate - to dig a large hole in smth

soil Pollution

• is the presence of toxic chemicals in soil in high enough concentrations to be of risk to human health and/or ecosystem

causes of soil pollution

• The redundant, ever-increasing use of chemicals
• Agricultural runoff waters
• Industrial waste materials
• Acidic precipitates
• Radioactive contamination

Contaminants That Affect Soil

COnsequences

• Water pollution
• air pollution
• acid rain
• inability of soil to support plant life
• chemicals may get into food

solutions

• Removal and deposition/burning of soil
• Washing techniques
• Artificial stimulation of natural microorganisms

thank you for your time!