1
is when the seas become bigger for polo´s defrost
2
Is the rain produces by the factories
3
Are the bad effects on planet temperature due to excess pollutants in the air
4
Are the bad gases in the atmospher
5
Is the felling of the trees
6
recycle, reduce and reuse
7
Is the excess of people over the earth
8
Is when you abuse something
9
Is when a specie disappear
10
Is our specie
