__Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?__

__Sound travels with a different speed in media. In what order does th

1.	__Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?__
A.	Water, iron and air
B.	Iron, air and water
C.	Air, water and iron
D.	Iron, water and air
Answer» D. Iron, water and air