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.
Writing a research paper is a challenge for many high school and college students. One of the biggest hang-ups many students have is getting started. Finding a topic and doing the research may be half the battle, but putting words to paper or starting an introduction often proves to be an intimidating task. If done correctly, an introduction is a simple and effective way to write the entire paper quickly.