Answer:
the author's opinion
Explanation:
In writing an argument, the author attempts to pass across his/her opinion as persuasively as possible.
An argument is a written presentation of the authors' opinion backed up by evidences, facts and figures and arranged in a coherent manner.
The authors job is to evaluate the authors opinion while eschewing any personal bias which may color accurate judgement of the validity of the authors opinion.
The principal structural characters effected were in the postcranial anatomy, especially in the skeletal and muscular systems.
The answer for this is A. I didn’t watch it but someone told me about it
Kathy found her job as a lawyer, challenging and very rewarding.