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Which method is useful for giving a quick warning in an emergency?

Answer and explanation

Correct answer: Sounding a siren or alarm

A siren or alarm communicates an urgent warning quickly through a loud, attention-catching sound. It can alert many people at the same time, even when they are not reading a message. A long letter, a printed book, or an email sent after several days is too slow for an emergency. Thus, option D is correct.

Related tags

Emergency WarningSirenAlarmAudio CommunicationMethods Of CommunicationCommunication Skills IArtificial IntelligenceClass 9 Mcq

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