Answer:solid: still boi liquid: bouncy boi has: crazy boi
Explanation:
I used an online calculator and got 54.22 m/s. I hope that helps
4) would be your correct answer
Answer:
Relative motion of source and observer.
Explanation:
Doppler Effect : It is the change in the observed frequency of the wave due to<em><u> relative motion of the source and object </u></em>.
Oxygen, fluorine and iodine are diatomic elements. Flourine is more reactive than the other two because it is the closest away to filling its outer layer of electrons and becoming stable like a noble gas.