Question

[1] 4 Modes of disposal of waste.

Answer 1

The modes of effective disposal of wastes may be

• Landfill – Landfills are established on abandoned or unused lands where wastes are disposed and buried into the soil.
• Incineration – Some wastes like medical or toxic wastes that are not safe to dispose are burned in high temperature into incinerators. Incinerators transform the waste into ashes.
• Recycling – The wastes that are safe enough are treated and some value materials are extracted for reuse are called recycling.
• Composting – Kitchen or farm wastes, which are rich in organic matters are allowed to decompose by adding aerobic microorganisms. This result in formation of organic manure called compost which is used as fertilizers in agriculture. This process is known as composting.