<span>The question says,'seaf floor ............ involves plates under the ocean moving farther apart and colliding with continental plates that are then pushed away or toward each other. The answer is sea floor spreading. It usually occur at middle ocean ridge where new oceanic crusts are formed as a result of volcanic activity. After this formation, the newly formed oceanic crust gradually move away from the ridge.</span><span />
Yadkin pee dee river basin is in North Carolina which is in the northern part of America.
<u>Explanation:</u>
This river basin in North Carolina consists of rivers like yadkin river, south yadkin river, the roaring river, the abbott creek river. The basin covers a number of geographical areas which starts from Appalachian mountains, north carolina foothills, then into the sandhills region and coastal plains. Then it finally ends into the Atlantic ocean at Winyah bay.
I am almost positive that the answer is A. freezing