Can someone help me? ​

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 : )

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves