Which is the compound which is a complex polymer consisting of phenylpropane units and has an amorphous three-dimensional structure?

Which is the compound which is a complex polymer consisting of phenylpropane units and has an amorphous three-dimensional structure? Correct Answer Lignin

Lignin is the compound which is a complex polymer consisting of phenylpropane units and has an amorphous three-dimensional structure. Its molecular weight in wood is very high and cannot be easily measured.
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Complex Variable mcq question image
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