The answer is:
C) The electromagnetic and weak interactions
Hope this helps.
Answer:
Rt≅6377Km
Explanation:
Take a look at the image. The horizontal line is the horizon, and the angle α corresponds to the earth rotation during the 77 seconds.
With this information, we can know the value of α:
α = 
Since we have formed a rectangle triangle:
Solving for Rt:
Rt≅6377467m=6377Km
My lg is driplikemessiah and I don’t know which one it is but I say go with C