Question

Any substance solid, liquid or gaseous for which no use can be found by the organism or

system that produces it and for which a method of disposal must be devised is called ______.
a. West material
b. disposable material
c. recyclable materials
d. reusable material
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Answer 1

Answer:

waste materials

Explanation:

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Answer 2

Answer:Another method of treating municipal solid waste is composting, a biological process in which the organic portion of refuse is allowed to decompose under carefully controlled conditions. Microbes metabolize the organic waste material and reduce its volume by as much as 50 percent. The stabilized product is called compost or humus. It resembles potting soil in texture and odour and may be used as a soil conditioner

Explanation:Composting offers a method of processing and recycling both garbage and sewage sludge in one operation. As more stringent environmental rules and siting constraints limit the use of solid-waste incineration and landfill options, the application of composting is likely to increase. The steps involved in the process include sorting and separating, size reduction, and digestion of the refuse.