----- Nội dung dịch tự động từ ảnh ----- F. WRITING I. Reorder the words to make meaningful sentences. 1. If/ a tree/ you/ clean/ keep/in/ house or apartment,/it/ will/ the air/ the 2. Global warming/ when/ happens/ too much/ there/ the/is/in/ atmosphere/ carbon dioxide 3. Since/it/a/ too hot/ last summer,/ there/ water shortage/ in/ many farms/ was/ now/ is 4. Land pollution/ the/ humans' activities/is/ destruction/ land/ a result/ of/ of/ as 5. Contaminated/ aquatic/ water/ leads/ the/to/ death/ animals and plants/ of 6. Noise pollution/ in/ world/ become/ one/ serious/ of/ public nuisances/ the/ the/ has 7. If/ natural heritages/ oppose/ would/I/an/ environmentalist,/I/ exploiting/ were 8. Visual pollution/ caused/ can/ be/by/ advertising banners/ the/ of/ overuse