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Jawaban

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                 2. Berdasarkan dari ketiga berita tersebut   gas apa   yang
                     dihasilkan,  mengapa gas tersebut  dapat    menyebabkan

                     bahaya?

                                                      Jawaban
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                 3. Langkah-langkah    apa saja yang harus     diambil untuk

                     meminimalisir dampak polusi udara terhadap kesehatan?
                                                      Jawaban

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