Tokyo/Yokohama is city with the largest population in the world. It has over 33 million people.
Hydrogen. That is how it is continuing to heat, the Hydrogen atoms are fusing to form Hydrogen, but at this point the majority is Hydrogen, eventually it will be majorly Helium, then Carbon.
With the Continental Drift theory.
Answer:
are telescopes that can take images of invisible energy
observe electromagnetic radiation that is blocked by our atmosphere
Explanation: