Search results for: "cfc"

گر فردی در ارتفاع زیاد به کره زمین نگاه کند، یک نوار نازک آبی رنگ که دور……

Posted on 26 January at 06:40

Global warming is one of the major problem world is facing today. Global warming is the rise of temperature of the earth surface.……

Posted on 10 November at 16:08

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