Kitchen food scraps consist mainly of organic matter that microorganisms can decompose into simpler compounds. This means they are biodegradable and can be converted into compost under appropriate conditions. The stem refers specifically to vegetable peels and leftover food,which fit the category of biodegradable solid waste. Hence Option A is correct.
Option A:
Biodegradable waste decomposes naturally and is suitable for composting/biogas,which fits kitchen scraps.
Option B:
Inert waste does not decompose significantly (e.g.,construction debris),so it does not match food waste.
Option C:
Hazardous waste contains toxic/flammable/corrosive substances requiring special handling; typical kitchen scraps are not hazardous.
Option D:
Radioactive waste comes from nuclear activities and is unrelated to household food waste.
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