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Substances broken down by biological processes are called:

AInert wastes
BSynthetic wastes
CBiodegradable
DNon-degradable
Answer & Solution
Correct answer: C. Biodegradable
1. Vegetable peels and paper break down. 2. Such substances are biodegradable. 3. Plastics are non-biodegradable. _Source: syllabus Science, Chapter 15, Our Environment._
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