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Questions and Answers
What is the definition of waste?
What is the definition of waste?
- Any biological material that can be reused.
- Discarded materials with no value in ordinary use. (correct)
- Items that are stored for future use.
- Materials that are useful and needed.
Which type of waste can potentially threaten public health or the environment?
Which type of waste can potentially threaten public health or the environment?
- Domestic waste
- Recyclable waste
- Compostable waste
- Hazardous waste (correct)
What distinguishes organic waste from inorganic waste?
What distinguishes organic waste from inorganic waste?
- Organic waste comes from inorganic sources.
- Organic waste includes synthetic materials.
- Organic waste is easier to biodegrade than inorganic waste. (correct)
- Organic waste is produced only in urban areas.
Which of the following is an example of liquid waste?
Which of the following is an example of liquid waste?
What is a characteristic of solid waste?
What is a characteristic of solid waste?
Which of the following is NOT a form of waste?
Which of the following is NOT a form of waste?
Which is a key distinction between point source discharge and non-point source discharges?
Which is a key distinction between point source discharge and non-point source discharges?
Which of the following does NOT qualify as inorganic waste?
Which of the following does NOT qualify as inorganic waste?
What is one common use for organic waste in gardening?
What is one common use for organic waste in gardening?
Which of the following is true about waste size?
Which of the following is true about waste size?
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Study Notes
Definition of Waste
- Waste is considered discarded material that has no value in conventional use.
Waste Types
- Waste encompasses items like trash, garbage, rubbish, or junk.
- Waste comes in many forms: solid, liquid, gaseous waste, and waste heat.
- Liquid waste originates from sources like homes (wash-water), industries (cleaning liquids), and detergents.
- Solid waste consists of items like old tires, newspapers, broken furniture, and food waste.
- Hazardous waste refers to any waste that may threaten public health or the environment.
Waste Categories
- Organic waste: It originates from plants or animals like food waste, fruit peels, and flower trimmings.
- It is biodegradable, meaning it decomposes naturally over time.
- Organic waste can be composted and used as garden fertilizer.
- Inorganic waste: It consists of materials that are difficult to biodegrade.
- Examples include sand, glass, metal scraps, and stones.
- These materials take a long time to decompose.
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