science what i know (happy face) or (sad face)
1.Burning of tires.
2.growing of new trees.
3.increase in soil fertility.
4.increase in food production.
5.cutting fabric made into clothes.
6.cutting of clothes made into handkerchief.
7.emptey plastic bottles dumped into rivers.
8.changing wood into charcoal for cooking.
9.increase supply of water to towns and cities.
10.cutting and shaping if pieces of wood into chair.
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