荒漠化有冇好既影響?(10分)

the impacts of desertification:
1.damage the ecology system
2.the economic and human activities are seriosly affected
3.decrease in crop yield
4.sandstorm and flooding

So, there is no good effect of desertification

2007-11-04 17:08:10 補充：
the impacts of desertification:1.damage the ecology system2.the economic and human activities are seriosly affected3.decrease in crop yield4.sandstorm and floodingSo, there is no good effect of desertification

我覺得荒漠化係冇好既影響，反而壞既影響就有好多！你想一想，荒漠化是指由一個地方，慢慢變成沙，而且沙是沒有用處的！如果你在這些沙上面起東西，是會下沉的！...............還有很多！所以我覺得係冇好處的！