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.
Finding resources can be overwhelming at first. With all the information that is out there, how are you supposed to know where to find all of it? The first place that you should go to is your local library and searches their online databases for the specific topic that you are working on. A great database to use in the field of biology is PubMed.