True or False: In bulk degradation, the molecular weight and mechanical properties remain unchanged over time.

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In bulk degradation, the material's internal structure and properties undergo significant changes as it breaks down. During this process, both the molecular weight and mechanical properties of the polymer or material will change over time. Initially, the material may retain its strength and mechanical integrity, but as degradation progresses, molecular chains within the polymer start to break down, leading to a decrease in molecular weight. This reduction in molecular weight compromises the mechanical properties, ultimately resulting in a material that may become weaker and less functional.

Thus, the statement claiming that molecular weight and mechanical properties remain unchanged is false, as the degradation process inherently involves alterations in these characteristics.

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