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.
0. Jan 27, '08 by Daytonite. for topics, you need to go to the library and go to the. and peruse the topics until you find one you like. if you can't find it, ask the research librarian to help you. then, pull some articles and start reading to see if it's something you think you'll like doing a research paper about.