- #1
bebe_boobs
- 5
- 0
1) Explain how the "snap" of a wet towel is produced
2) Describe how a bat uses sound to find its way around
3)Why is is difficult for an aircraft to break through a sound barrier?
if anyone can answer these questions it would be a lot of help. THANK
2) Describe how a bat uses sound to find its way around
3)Why is is difficult for an aircraft to break through a sound barrier?
if anyone can answer these questions it would be a lot of help. THANK