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.
Getting started with your Extended Essay can seem like a pretty big challenge. The best advice I can give you is start early and choose your research question carefully. Starting early is a time-management aspect youâll have to figure out on your own. But I can help you a lot on the second part.y the time you meet with your supervisor for your first real meeting you would ideally have chosen a question that you think passes the 4 Tests. And you will ideally have started to organize yourself. Your supervisor will be interested to hear about (and see evidence of): â Your research findings so far.