Giúp em ajjjjjjjjjjjjsjjdjchdhhejd

13. Global warming has severe impact on water supplies. A. very good B. very bad C. normal D. long-lasting 14. Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun. A. catch B. discharge C. dispose D. release 15. Deforestation is one of the bigge ...