Fact 1: Uneven heating of the Earth 's surface cause wind.

Fact 2: If the wind is less, then most kites have problems flying.

Given the two facts above, answer the question "What uses something created by uneven heating of the Earth's surface?" with the following options: 
- lakes
 - oil
 - rivers
 - paper
 - corn
 - coal
 - Roads
 - Kite


 

        Kite 