An adverb clause is a dependent clause which cannot exist on its own, it has to be a part of the main, independent clause. So, having that in mind, the only dependent clause among these examples is 'when you return from California'. Therefore, the correct answer is B.
One challenge when writing your thoughts as opposed to speaking them is that: C. You have to be more formal. In order to your writing make sense to the reader (even if the reader is you), you need to be more formal, organized, and create a development over time. To clarify your thoughts and ideas on the paper.
The answers would be good and benefit because antonym means opposite, so what's the opposite of harm, well its good of course.
The answer is the first one, you must always cite your sources, even if you have not directly quoted them. It also adds credibility to your work (this is not the only reason, it is merely an incentive)
