These firefighters could be termed to Subculture. A subculture is a group of people who possess behaviors, thoughts, and even moral or ideological principles different from those of the dominant culture of which they are part. Very popular examples of subcultures are the hippies the gothic, however within industrial institutions are also often formed subgroups.
I hope my answer can help you.
D) less socially stratified
Answer: sensory adaptation.
Sensory adaptation it's when the sensitivity to a
stimulus decreases as a consequence of constant exposure to the stimulus.
When the stimulus starts, the neurons will begin firing action potentials. After a while in the same environment, you'll most likely have forgotten all about that sensation (in this case noise) even though the stimulus is exactly the same.
True. Design, content, and organization are all important to the overall presentation of your résumé. When writing your resume, it's important that the design is professional in look. A resume is the first impression a company has of you, so if it looks professional, there's a better chance it will be looked over. The content of your resume needs to accurately describe who you are and what you've been able to accomplish thus far in your career. Organization is also important so that the reader can follow the resume easily and understand each point.