Wave speed = frequency * wavelength
Input the numbers into this equation :
Wave speed = 200 * 3
Work it out and you will get the answer :
Wave speed = 600 m/s
The correct answer is A. Charged particles from the sun exite the atmosphere near the poles to create auroras.
I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. It is <span>possible to tell if objects in space are moving closer to us or farther away based on several procedures like parallax and standard candles. I hope the answer has come to your help.</span>
C. It transfer energy as heat to the surrounding air. This answer is incorrectly
There is no factor on your list of choices that has any effect.
