Smoke detectors are designed to alert occupants when there is smoke or fire. Which statement is true?

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Multiple Choice

Smoke detectors are designed to alert occupants when there is smoke or fire. Which statement is true?

Explanation:
Smoke detectors are meant to provide early warning by sounding an alarm as soon as smoke is detected, giving occupants time to react. They’re designed to alert whenever smoke or fire is present, not just in special circumstances. In practice, most detectors run on electricity with a battery backup (or are battery-powered), so even if power is out, the alarm can still function. That’s why this statement is correct: the purpose of a smoke detector is to alert you to smoke or fire whenever it occurs, not only during a power outage.

Smoke detectors are meant to provide early warning by sounding an alarm as soon as smoke is detected, giving occupants time to react. They’re designed to alert whenever smoke or fire is present, not just in special circumstances. In practice, most detectors run on electricity with a battery backup (or are battery-powered), so even if power is out, the alarm can still function. That’s why this statement is correct: the purpose of a smoke detector is to alert you to smoke or fire whenever it occurs, not only during a power outage.

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