Which is the best example of physical weathering? A. the cracking of rock caused by the freezing and thawing of water.
B. the transportation of sediment in a stream
C. the reaction of limestone with acid rainwater
D. the formation of a sandbar along the side of a stream

maritime tropical may be your answer.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )