塑料袋的科学迷思阅读训练及答案
下面小编给大家整理的塑料袋的科学迷思阅读训练及答案,本文共4篇,欢迎阅读! 人类利用聚乙烯材料制成塑料袋使用的历史不过50多年,但近年对塑料袋的指责却不绝于耳。全世界每年要消耗5 000亿到1万亿个塑料袋。废弃的塑料袋造成了很大的环境污染问题,掩埋它们会影响农作物吸收营养和水分,污染地下水;如果焚烧塑料则会产生有毒气体,影响人体健康。所以,科学家十分关注如何处理那些垃圾塑料袋的问题。 一般来说,将
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