To make a natural resources to use and are coupled with the world forever. 3 conservation principles. There was 1
.Used wisely to use, must carefully consider the advantage disadvantage. The scarcity or rare in the future. Also consider the economic cost and return thoroughly
2.Save (storage reserves of rare refers to any resources with little or rare. Should be preserved from lost. Sometimes if of some kind, we can use to save
3.Restoration of degraded environment bad or better (repair, improve, namely, any resource condition, desperate to waste. Or will disappear if not required by the technique.
การแปล กรุณารอสักครู่..
