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为什么说海洋正在变成塑料汤？
海洋正在变成“塑料汤”主要是因为塑料制品的大量生产和废弃、塑料垃圾难以自然降解以及海洋生态系统受到影响，具体原因如下：
1、塑料制品的大量生产和废弃：全球每年生产大量塑料制品，其中很多使用后成为垃圾，由于管理不善或处理不当，这些塑料垃圾最终流入海洋。
2、塑料垃圾难以自然降解：塑料垃圾在海洋环境中难以自然降解，可能需要数十年甚至更长时间才能分解，导致塑料垃圾在海洋中累积。
3、海洋生态系统受到影响：塑料垃圾在海洋中会对海洋生物造成危害，如误食、缠绕等，影响生物多样性，同时微塑料还可能通过食物链进入人体，对人类健康构成潜在威胁。
总结：海洋正在变成“塑料汤”主要是因为塑料制品的大量生产和废弃、塑料垃圾难以自然降解以及海洋生态系统受到影响。
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