Questions & Answers

A question may be either a linguistic expression used to make a request for information, or else the request itself made by such an expression. This information may be provided with an answer. An answer is a reply to a question or is a solution, a retaliation, or a response that is relevant to the said question.

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Why is the countdown so important while launching a rocket?
A countdown is a carefully devised set of procedures ending with the ignition of a rocket engine, which starts 72 to 96 hours prior to its launch time...
Education & Reference > Aviation