As the magma cools and solidifies, the convection currents will stop and the Earth will become geologically dead.
Answer:
46 billion light-years (14 billion parsecs), making the diameter of the observable universe about 93 billion light-years (28 billion parsecs).
Explanation:
Logic...
Reduced the number of Communist nations in the world and <span>changed boundaries in Europe. I assume the "affected nations throughout the world" is the second answer that you accidentally added in? </span>