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Decomposition is slower when detritus is rich in:

ANitrogen and salt
BStarch and sugar
CLignin and chitin
DSugars and water
Answer & Solution
Correct answer: C. Lignin and chitin
1. Chemical composition of detritus sets the pace. 2. Nitrogen and soluble sugars speed decomposition up. 3. Lignin and chitin slow it down. 4. So the answer is lignin and chitin. _Source: syllabus Biology, Ch 12 'Ecosystem'_
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