At present People plant many trees __ ____ __ protect soil. in order to
TANGSATANGSA In the pastAt present No trees, no firewood Trees grow thickly Soil was carried away Roots fix soil together Trees were cut but none were planted. A few can be cut and the rest are left to grow even taller.
Uses of trees As a kind of fuel--firewood Building materials Homes(nest) of birds and wild animals … Give out oxygen & give food Prevent wind from blowing hard Make our world purer and more beautiful Prevent flood and keep air wet Provide a shade