56 form of will and a word from the box. desaparecer Codax uxt asalva/economizar be disappear happen run save Ser/Bar acontece 1 I think we will run out of clean air in the future. 2 I hope we resources. all of Earth's natural 3 we the animals that might become extinct? if we use all of the world's Plan human it the " " 4 What clean water? 5 If we keep burning fuel, the future good for us. 6 Our forests if we don't stop cutting down trees to make room for cattle. Wall we s plane We doing​