Question

you have to choose the rocket fuel ,which one you will choose:
a)hydrogen
b)nitrogen
c)potassium nitrate​

Answer 1

Answer:

hydrogen is the correct option

Answer 2

Answer:

a hydrogen

Explanation:

In combination with an oxidizer such as liquid oxygen, liquid hydrogen yields the highest specific impulse, or efficiency in relation to the amount of propellant consumed, of any known rocket propellant.