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.
Begin with a Question. One of the most popular ways to start an essay is asking a question. Depending on the type of essay it can be either rhetorical or the one that demands an answer. You may use the latter to build the suspense and then reveal the necessary information to your readers at the end of your essay.