State in brief tw

Non-biodegradable wastes cannot be decomposed into simpler harmless substances by the action of micro-organisms. These substances persist in the environment and cause adverse effects on the environment.

(i) The use of pesticides, insecticides has increased agricultural output but the chemicals present in them enter water and food chains. This affects the fertility of the soil and causes water and soil pollution.

(ii) Plastic bags have changed the modern lifestyle but cause severe problems. They cause blockages in the drainage systems and these plastic bags when eaten by stray animals cause harm to them.

Methods of safe disposal of the non-bi0degradGble waste.

(i) Molten plastic waste mixed with asphalt can be used for making roads.

(ii) Solid wastes should be buried in the urban areas as land fills.