Make sentences using the given words
Make sentences using the given words.
1. If/ people/not/ stop/ dumping / waste/ into/ rivers/,/ pollution/ increase/.
2. If/ polar/ ice caps/ melt/ ,/ huge landmasses/ be/ under/ water/.
3. If the air/ in/ city/ be/ polluted/ ,it/ can/ cause/ paople's/ respiratory/ problems.
4. If / smog/ be/ frequently, formed/ in /city/ ,/ it/ cause/ difficulty/ in / breathing/ headache/ even/ lung cancer.
5. If/ carbon monoxide/ concentrate/in/ great/ amounts/,/ it/ be/ hamful/.
6. The climate/ change/ if/ more trees/ be/ cut/ down/ for/ hardwood/.
7. If/ we/ not/ control/ pollution/ soon/,/ it/ be/ too/ late..
8. Ì / we/ not/ protect/ frontier/,/we/ sufer/ many/ from/ natural / disasters.