(D) space rocket requires a self-contained source of energy and oxygen because there is no atmosphere in space to support combustion. Therefore,it use

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Mixture of fuel and oxidiser called propellant

(D) space rocket requires a self-contained source of energy and oxygen because there is no atmosphere in space to support combustion. Therefore,it uses a mixture of fuel and an oxidizer,collectively known as a $propellant$,to generate the thrust required for propulsion.