Question

what is soil pallution ? How is it caused​

Answer 1

Answer:

Soil contamination or soil pollution as part of land degradation is caused by the presence of xenobiotics chemicals or other alteration in the natural soil environment. It is typically caused by industrial activity, agricultural chemicals or improper disposal of waste

Answer 2

Definition:

Soil pollution is defined as the presence of toxic chemicals (pollutants or contaminants) in soil, in high enough concentrations to pose a risk to human health and/or the ecosystem.

OR

Soil or pollution can be defined as the build-up in soils of persistent toxic chemical compounds, salts, radioactive materials, or even disease-causing agents, which adversely affects the growth of a plant and the health of animals.

Causes:

Soil pollution can be caused by the following (non-exhaustive list)

• Microplastics

• Oil spills

• Mining and activities by other heavy industries

• Accidental spills may happen during activities, etc.

• Corrosion of underground storage tanks (including piping used to transmit the contents)

• Acid rain

• Intensive farming

• Agrochemicals, such as pesticides, herbicides and fertilizers

• Petrochemicals

• Industrial accidents

• Road debris

• Drainage of contaminated surface water into the soil

• Ammunitions, chemical agents, and other agents of war

• Waste disposal

• Oil and fuel dumping

• Nuclear wastes

• Direct discharge of industrial wastes to the soil

• Discharge of sewage

• Landfill and illegal dumping

• Coal ash

• Electronic waste

• The most common chemicals involved are petroleum hydrocarbons, solvents, pesticides, lead, and other heavy metals, etc. etc....

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