Answer:
choice 3
Explanation:
the others have grammatical issues.
Neatness when working with any potential employer reveals to them that you are well organized.
Comma splices are compound sentences that are not punctuated properly. It occurs when a comma is used between two independent clauses. This creates a problem since a comma alone cannot be used to separate two independent clauses.
The sentence that contains a comma splice is option B:
These mouthparts are called the mandibles they are jaw-like structures beetles use for crushing food or defending themselves.