1 Glass bottles are left in the forest by many people.
2 Plants are damaged by children.
3 Rivers are spoiled by factories.
4 The air is polluted by cars.
5 Trees are broken by some children.
1 Glass bottles are left in the forest by many people.
2 Plants are damaged by children.
3 Rivers are spoiled by factories.
4 The air is polluted by cars.
5 Trees are broken by some children.