Combine two sentences to make a conditional sentence type 1 1. The water in the lake is polluted. The fish die 2. Light pollution happens. Animals change their behaviour patterns. 3. We help the earth. We recycle more. 4. We use water carefully . More people have fresh water. 5. Household don’t dump waste into the river. The water is not polluted. 6. There are fever car fumes. People travel to work by bus. 7. If the world temperature continues to rise. There is less snow. 8. The sea level rises. The earth gets warmer. 9. There is less water pollution. The factory treats its waste well. 10. We use too much energy now. We regret it in the future. 11. We have more cars now. Air pollution becomes worse in the city. 12. People fly less. Carbon emission is reduced.