When it comes to collecting physical evidence, crime scenes are fortunately available for long periods of time. true false

False

Explanation:

A crime scene is a place where evidences related to the commission of crime can be found. With the increase in time these evidences may loose their integrity like blood marks can fade away, originality of the scene may be lost. Thus after long time evidence collection and analysis of the scene will both become difficult. Thus this will be false to say that the crime scene will remain available for long time for collection of evidences.

a coal burning power plant

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.