NURSING ANM AND GNM

Detailed explanation-1: -Answer: change in mass. In fact change in mass is not possible in a chemical reaction according to the law of conservarion of mass.

Detailed explanation-2: -When it comes to observational research, you have three different types of methodologies: controlled observations, naturalistic observations, and participant observations. Let’s quickly look at what each type of observation includes, how they differ, and the strengths and weaknesses of each type of observation.

Detailed explanation-3: -The observation method involves human or mechanical observation of what people actually do or what events take place during a buying or consumption situation. “ Information is collected by observing process at work. ‘’