I told you once, so people can go undergreound
Astronauts
electronic rockets
multistage rockets
Yes. The space shuttle uses rockets in space to manuever.
hot gas
It is possible that it came from the russian italian or german
Rockets have sent unmanned spacecraft to mars and Jupiter. Satellites put in orbit by rockets beam back information about earth's atmosphere and weather.
yes, there are rockets that are used to travel to space, and rockets as in missles, RPG's that the military uses, and im sure other ones
The National Aeronautics and Space Administration (NASA) uses rockets to lift payloads out of the earth's gravity well and into space.
Newton's third law.
you have to beat the radio tower full of team rockets
Rockets typically use Liquid oxygen and liquid hydrogen for fuel. I suspect this is what you are asking. I know of no rocket that uses liquid nitrogen.