النتائج (
الإنجليزية) 3:
[نسخ]نسخ!
I finally knew Maasbab ozone hole, and these reasons are caused by the human, because with volcanic activity cycles, millions of years ago, wasn't it little effect on the ozone layer, and the ozone hole is something very danger threatening the earth must reduce the use of materials for expansion of the ozone holeE
يجري ترجمتها، يرجى الانتظار ..
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