3. Put the words in the correct order. 1. rain / animals / Acid / harmful to / is / plants / and . 2. fumes / from cars / Toxic / cause / pollution / air . 3. The / of / a / habitats / big / is / problem / loss / natural . 4. dying / in / species / Many / river / this / are / fish . 5. pollutes / Factory / the / soil / waste / often . 6. clouds / There / cities / over / are / polluted / big . 7. trees / Acid / slowly / rain / kills . 8. Fish / polluted / live / water / can't / in .