Answer:
it is based on observation becasuse you dont automaticly lknow everythig in science sorry about the spellig
Explanation:
There may be a shortage of clean drinking water in the future
Most of the energy is converted to heat, I think.......... Hope it helps, Have a nice day :)
Answer:
If you measure by edge of the Sun's magnetic fields, the end is the heliosphere. If you judge by the stopping point of Sun's gravitational influence, the solar system would end at the Oort Cloud.
