Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: A breeze is blowing across a field, growing stronger and stronger. The breeze becomes a storm of wind, moving rocks and breaking trees. This wind is likely the cause of
unevenly distributed heat
A tornado.