1
don´t use cars use .............
2
you have to ......... ........ in the forest. Green things
3
some people do that .It expands hume (humo)
4
is a type of material . Don´t throw ...... to the sea
5
reuse, reduce, .............
6
you have to take care of the ........... In this place animals live
7
don´t waste electricity and also don´t waste ............. ( is a liquid )
