VI. Combine two sentences into one using the word in the bracket 21. People throw litter on the ground. Many animals eat the litter and become sick. (since) ​ 22. Acid rain is dangerous. Trees’ leaves are damaged. (due to) ​ 23. Noise pollution happens. There is a change in animals’ living pattern. (result in) ​ 24. They were very tired because they had to work very hard during the day. (made) ​ 25. There are many kinds of vehicles in the street. Traffic jams happen during the rush-hour. (so) ​ VII. Write full sentences using the words given: 26. soil/ wouldn’t/ be/ pollute/ if/ farmers/ not/ use/ chemical/ fertilizer. ​ 27. number/ English/ speakers/ world/ is/ increase/ fast ​ 28. Because/ serious/ pollute/ water, fish/ aquatic plants/ die. ​ 29. you/ made/ acquaintance/ any people/ English speaking/ countries?