Sunday 14 January 2018

waste class iv science

Waste is any substance which is discarded after primary use, or it is worthless, defective and of no use.
 Examples include municipal solid waste (household trash/refuse),wastewater (such as sewage, which contains bodily wastes (faeces and urine) and surface runoff) and others
"Domestic waste"  consist of combustible materials, such as paper, cardboard, wood
Solid waste comprising of garbage and rubbish (such as bottles, cans, clothing, compost, disposables, food packaging, food scraps, newspapers and magazines, and yard trimmings) that originates from private homes or apartments. 





Types of solid waste. c) Biomedical waste or hospital waste as infectious waste. Municipal solid waste consists of household waste, construction and demolition debris, sanitation residue, and waste from streets.
Examples of Biodegradable materials, often referred to as “bio-waste”, include the following:
·         • Human and animal waste.
·         • Plant products, wood, paper, food waste, leaves, grass clippings.
·         • Remains from the death of living creatures.
Biodegradable items decompose or break down naturally. ...
 Large volumes of non-biodegradable waste take up excess waste and are potentially damaging to the environment.

Non-biodegradable items are items that cannot decay or be broken down by living organisms. ... Another types of non-biodegradable waste which can be again used at homes are aluminum cans, bottles, plastic products, metal scraps, glasses, grocery bags or plastic bags and Styrofoam.

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