We can see that the research question that is most effective is: D. What are fossil fuels?
<h3>What is research question?</h3>
Research question is actually known to be a question which is asked by a researcher which forms the basis for his evaluation, examination, and experimentation. Every good research question must be clear and focused.
We see that the selected answer is actually clear and focused and covers other aspect of the research.
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He is worried and grieving. ... The shifts reinforce the emotional extremes in Arsat's tale.
I'm pretty sure that the narrator of " The tell-tale Heart' views his disease positively, and that the narrator of " The black Cat" is the opposite.
Answer:You click the brain on the top right of the answer.
Explanation:
