Question

how does our land get contaminated​

Answer 1

Answer:

presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment

Answer 2

• Soil contamination occurs as a result of the presence of heterogeneous biochemicals or other changes in the natural soil environment.
• The most prevalent culprits are industrial operations, pesticides, and improper waste disposal.
• Among the most often used substances include petroleum hydrocarbons, polycyclic aromatic hydrocarbon solvents, pesticides, lead, and other heavy metals.
• Pollution is proportional to the degree of industrialisation and the chemical strength of the environment.
• The major causes of worry about soil contamination include health problems, direct contact with contaminated soil, pollutant smoke, and secondary pollution of groundwater and groundwater supplies. Deforestation also contributes to soil contamination.