To warn their citizens in time of an emergency, some communities use sirens or loud- speakers; others rely on officials going door-to-door or on messages delivered by local TV or radio stations. The local emergency management office can provide information on what warning signals are being used in the community.
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Answer:
To warn their citizens in time of an emergency, some communities use sirens or loud- speakers; others rely on officials going door-to-door or on messages delivered by local TV or radio stations. The local emergency management office can provide information on what warning signals are being used in the community.
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