Combine each pair of sentences to makes a conditional sentence type 1 1.we can't see the stars at night . There is too much light pollution. ______________________ 2.the water is polluted. The fish are dead. ____________________ 3. Animals change their behavior patterns. Light pollution happens. _____________________ 4.we save thousands of tress.we don't waste paper. ______________________
If there weren't too much light pollution, we could see the stars at night.
If the water weren't polluted, the fish would not be dead.
If light pollution did not happen, animals would not change their behavior patterns.
If we don't waste paper, we can save thousands of trees.
