The phrase "to bond fish and test out their survival skills" is a list of actions. All items in any sort of list/parallel words or phrases should be separated by commas. Additionally, a comma must come before the "and" because the action "fish" and "test out their survival skills" are not necessarily related, so they should not be grouped together. The correct answer is "in order to bond, fish, and test out their survival skills."

The phrase "Having completed all her requirements" is an example of a introductory phrase, explaining information necessary to the context of the sentence, but outside of the main sentence, grammatically. These types of phrases must be followed by a comma in order to separate them from the rest of the sentence. The correct answer choice is "Having completed all her requirements, she."

The phrase "who was on the company's board of directors" is an example of a relative clause, which gives more information about its antecedent: "Amir." Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "Amir, who was on the company's board of directors, wanted"

The phrase "who were currently going through training"  is an example of a relative clause, which gives more information about its antecedent: employees. Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "Few of the new employees, who were currently going through training, were expected."

In this sentence, two independent clauses are being joined by a coordinate conjunction. When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is "The man always had to explain what he did for a living, yet he felt that people"

The phrase "While driving his car on the highway" is an example of an introductory phrase, explaining information necessary to the context of the sentence, but outside of the main sentence, grammatically. These types of phrases must be followed by a comma in order to separate them from the rest of the sentence. The correct answer choice is "While driving his car on the highway, the man happened to see a billboard."

The phrase "who lives in Asia" is an example of a relative clause, which gives more information about its antecedent: his family. Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "He speaks with his family, who lives in Asia, every week."

The phrase "which was necessary for John's job" is an example of a relative clause, which gives more information about its antecedent: the camera. Any such phrase that occurs in the middle of a sentence, often called an interrupting phrase, must be introduced and completed with a comma. The correct answer choice is "The camera, which was necessary for John's job, no longer worked."

In this sentence, two independent clauses are being joined by a coordinating conjunction ("for"). When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is "he was trying to solve the problem, for his boss promised a bonus to the first person that could do it."

The phrase "who did not like how they were being treated"  is an example of a relative clause, which gives more information about its antecedent: workers. Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "The workers, who did not like how they were being treated, decided to go on strike."

Such phrases are often called "interrupting phrases." Interrupting phrases are used to provide information that or provide useful context about (usually) the subject of the sentence, but they are not grammatically necessary to the overall structure of the sentence. An interrupting phrase, properly enclosed by commas, could be excised from the sentence and the sentence would remain grammatically viable.