Answer:
Land, labor, capital and entrepreneurship are the four categories of factors of production.
Explanation:
It could be both, maybe they hurt themselves because they want to call some attention or it could also be their way to feel better with themselves
A shift in thought can be indicated by the use of C. an em dash.
An em dash is used to set of an interruption that is closely relevant to the sentence but is not grammatically part of it. These set of interruptions can be found in a list, illustration, restatement, shift in thought or tone, summary, or dramatic point.
Semicolon (;) is used to connect independent clauses.
Ellipses (. . .) are used to indicate that material is missing in the sentence or passage.
