Answers

2014-12-02T13:35:22+05:30
The Trade winds, Countertrades and the Westerlies  are the planetary winds.

The main cause for the development of local winds is the development of  the pressure gradient .like the sea breezes and the land breezes
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2014-12-05T21:44:57+05:30
Planetary winds(permanent winds) blows entire globe 
1. esterlies 
2. westerlies 
3. trade winds
4. jet steams
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