malaysiae6321
20.09.2020 •
Mathematics
Propellants are chemicals used to power rockets, much like gas is used to power cars. A rocket scientist has been using Propellant X in her rockets for many years, but is interested to see if Propellant Z will cause her rockets to rise higher into the air. The scientist builds a rocket that uses Propellant Z. A proper control for the experiment would be an identical rocket that uses which of the following? (SC.7.N.1.1) A.Propellant X B.Propellant Z C.No propellant D.A mixture of both Propellant X and Propellant Z
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