asked 181k views
1 vote
Function as an early warning system, notifying you that smoke is in the air.

2 Answers

5 votes

so what is the question? is it like a true or false question?


answered
User Marco Panichi
by
9.3k points
3 votes
The correct answer is smoke detectors:)
answered
User AmanSharma
by
7.8k points
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