Answers

2016-01-12T22:32:20+08:00
Wind is a moving air. And since air has a force. Wind contributes to a big scale of breaking down of rocks or weathering. 
Let's state for an example.
If the rock is dried up, its particles/molecules are compacted and there will be holes in between of them. 
And once the wind attacks, the rocks breaks down into pieces thus, the weathering occurs.
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