Answer:
Its sure 2nd gare beaciuse
Explanation:
of tobi was obito was tobi his som came and start doing enginner but he faild so i gave him answer he repiled oh baby baby oh
Answer:
4.8 turns would be made around the tube
Explanation:
You need the circumference of the tube since it's just a lifted circle
2×pi×3=18.85
90.42/18.85=4.79
And round that to 4.8
C..............................
Sound waves can be used in a similar way to "see" things. After turning on a sound source, we can look at the pattern of reflected sound waves that bounce back to us. Our own ears and brain don't process sound into mental pictures.
