Unequal heating of Earth 's surface by the Sun causes global wind patterns, and wind belts in the Atlantic Ocean include the trade winds and the prevailing westerlies . Given these facts, what causes the westerlies among the following options:
- flow of electrons
 - Ocean currents
 - Precipitation
 - to move people
 - Drought
 - scattered light
 - Uneven heating by the sun
 - exposure to cold


 

       Uneven heating by the sun  