Điền từ đi plz Acid rain Smoke and car-exhaust fumes give off certain ___. The gases rise into the ___ and mix with water. That makes dilute ___, which sometimes fall back to earth as rain or snow. This "acid rain" ___ rivers and kill fish and trees. It's even eating ___ buildings and some monuments and ancient statues. *Từ để điền: pollutes, away, air, gases, acid

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