Materials like plastic items (milk packets, medicine bottles/strips), synthetic fabrics, and other non-biodegradable items are likely to remain unchanged over long periods when buried.
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Materials that are resistant to decomposition and exhibit high durability are likely to remain unchanged over long periods. Some examples include:
1.Metals: Certain metals, such as gold and platinum, are highly resistant to corrosion and environmental degradation, making them durable over extended periods.
2. Glass: Glass is inert and does not undergo significant chemical reactions over time. It can persist for a long time without degrading, particularly in stable environmental conditions.
3. Ceramics: Materials like ceramics and certain pottery can endure for centuries without significant degradation, especially when well-preserved.
4. Stones: Natural stones and minerals, such as granite and marble, can withstand environmental factors and remain unchanged over very long periods.
5. Some Plastics: Certain types of plastics, particularly those designed for durability and resistance to environmental factors, can persist for a long time without significant degradation, contributing to concerns about plastic pollution in the environment.