Question

9th class biology soil pollution lesson state syllabus

Answer 1

Soil Pollutions – The soil is an essential nutrient for the existence of plants and for agriculture. It is very important for maintaining an ecological balance in nature and keeping our environment green. But with the current trend of increasing population, there is a consequent increase in demand for land and other resources. Like all other forms of nature, soil too is suffering from degradation. The addition of harmful or toxic chemicals to the soil which renders it unproductive is called soil pollution. In this article, we will discuss its major causes and effects.

Answer 2

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.