Which of the following would be the reason a science technician would be
taking photographs in the lab?
A. to place employees on a blog or web page
B. to keep track of updates needed for the facilities
C. to use as part of the funding for the project
D. to document the process of chemical reactions

D. to document the process of chemical reactions.

Explanation:

A chain of custody can be defined as a paper trail containing the chronological order of items of evidence and how they have been handled, controlled, transferred, analyzed, and disposed during the investigation of a case.

This ultimately implies that, a chain of custody contains all the details or informations regarding the investigators (people) who handled, controlled, transferred, analyzed, and disposed an evidence in the course of carrying out investigations on a particular case. The most important and significant part of an investigation is the evidence because it helps to unravel the truth and facts relating to a case. Therefore, it is very important and essential to document and maintain a chain of custody so as to preserve the evidence.

A chemical reaction can be defined as a reaction in which two or more atoms of a chemical element react to form a chemical compound.

Hence, the possible reason a science technician would be taking photographs in the lab is to document the process of chemical reactions by generating pictorial evidences.

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