# A space rocket is propelled by

(a) An automobile engine

(b) Nuclear engine

(c) Steam engine

(d) Mixture of fuel and oxidiser called propellent

A proellants are combustible substance which upon ignition undergo rapid combustion to release large amount of energy along with gares.
A space rockect is propelled by a mixture of fuel and oxidiser called propellent .
Hence c is the correct answer.