النتائج (
الإنجليزية) 3:
[نسخ]نسخ!
In the last few years of the 20th century, people pay more and more attention to the environment, because it is considered to be an environmental protection problem, the cultural relics produced from the industrial process of enterprises, especially the industry produced by waste. Chemicals and organisms that are harmful to the environment, such as drugs, gases and cement. In the past two decades, many people have become interested in protecting and developing the environment and maintaining their natural resources As a global standard, environment has an impact on economy, commerce and international relations. It has become the main body of environmental protection and providing pollution-free environment, which is essentially environmental protection. On human factors as the most important social resources<br>
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