Romeo and Juliet, play by William Shakespeare, written about 1594–96 and first published in an unauthorized quarto in 1597. An allowed quarto appeared in 1599, substantially longer and more reliable. A third quarto, based on the second, was used by the editors of the First Folio of 1623.
Hi! So if the periods are supposed to be where they are places (I'm assuming they are) then the answer would be A, fragment. Hope this helps :)
Answer:
Tornadoes form when warm, humid air collides with cold, dry air
Explanation: