US strike kills 14 Afghan alleged militants, governor says they were civilians

The video consists of repeated sounds of a police siren, divided into three sections: introduction, continuation, and conclusion. Each section features the distinct sound of a police siren, emphasizing its auditory characteristics.

What is the primary purpose of a police siren?

• To indicate a traffic stop

• To signal the end of a shift

• To alert and clear the way for emergency vehicles

• To entertain the public

How does the sound of a police siren convey urgency?

• By having a repetitive and loud tone

• By being very quiet

• By being silent

• By playing a musical tune

In what situations are police sirens most commonly used?

• In emergency situations

• At sports events

• During parades

• In movie theaters

What might happen if a police siren is not used during an emergency?

• Traffic may not clear the way

• The siren will play music

• People will start dancing

• The vehicle will move faster

Why is it important for the public to recognize the sound of a police siren?

• To start a race

• To prepare for a concert

• To know when to stop and listen

• To ignore it