Waste are unwanted or unusable materials. Waste is any substance which is discarded after primary use, or is worthless, defective and of no use. A by-product by contrast is a joint product of relatively minor economic value.
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waste is all unwanted stuff or something that is not in use
➠Unwanted material in our sorrounding is called waste .
a colourless , transparent , odourless liquid that forms the sea, lakes, rivers, and rain and is the basis of the fluid of living organisms.
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an area of land that cannot be used or that is no longer used for building or growing things on
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The meaning of E-Waste is discarded electronic appliances such as mobile phones, computers and televisions etc.
E-Waste management is important because when improperly disposed of the heavy metals, plastics and glass in E-Waste can pollute the air or seep in waterways. Recycling E-Waste can significantly decrease the demand for mining heavy metals and reduce the greenhouse gas emissions from manufacturing virgin materials.
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barren or uncultivated land a desert wasteland.
barren or uncultivated land.
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Biodegradable waste is a form of waste, originating naturally from plant or animal sources, which may be degraded by other living organisms. ... A Non-Biodegradable material can be defined as a type of material which cannot be broken down by natural organisms and serve as a source of pollution.
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