Smoke alarms, which are also called smoke detectors, work by constantly checking the air for traces of the gasses and smoke particles produced by a fire.There are two types of smoke alarms-ionization alarms and photoelectric alarms.moke alarms, which are also called smoke detectors, work by constantly checking the air for traces of the gasses and smoke particles produced by a fire.
Q: the BEST way to begin the research process. A: The BEST way to begin the research process is to select a topic that interests you. Expert answered|andrewpallarca|Points 37581|. Log in to see link for more information.
Directions Before you can begin writing your own research paper, you need to. choose an appropriate topic. After you have answered the following questions, fill in. the pyramid below. Write a general topic that interests you in the box at the top. Fill in. the rest of the boxes with the narrower aspects of the topic.