1.

What height does the space shuttle stand on its launch pad when it's ready for the lift-off ?​

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EXPLANATION:

NASA commonly employs the terms "L-minus" and "T-minus" during the preparation for and anticipation of a ROCKET launch, and even "E-minus" for events that INVOLVE spacecraft that are already in space, where the "T" could stand for "TEST" or "Time", and the "E" stands for "Encounter", as with a comet or some other space



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