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.
Fourth, put it all together. Perhaps start with a list of the things you are best at, that you enjoy, that people come to you now, and then research careers that use those skills, interests, and abilities. You can easily research careers online, as well as at your collegeâs career center, and your local library.