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.
here is a step by step approach to starting and completing a research paper choose a topic read and keep records form a thesis create a mind map or outline read againrethink your thesisdraft the bodyreviseou may read this tip sheet from start to finish before you begin your paper or skip to the steps that are causing you the most grief 1 choosing a topic interest information and focus your job will be more pleasant and you will be more apt to retain information if you choose a topic that holds your interest