I believe the answer is A
If you want to prevent yourself from being bias you must not base anything off of your opinion, or what you think is the right answer.
Everything must be strictly facts with no intention of trying to persuade the reader. If you truly believe that you need something in your paper, make sure you can support your claim with actual facts (it is very important that you back up all of your claims with actual facts)
Refrain from using things like:
•In my opinion
•I think
•I believe
•I know
•Everyone knows that
An educated guess that is aslo posed as a tentative explanation is called a hypothesis.
I would go for 'c'. The reason being, is that it doesn't do much, and I am also assuming that offshore drilling will not affect underwater sources, which are linked to the ocean.
Answer: Yes.
Explanation: Microtubules are part of the cytoskeleton, a structural network within the cell's cytoplasm.