C) important events in Kahlo’s life
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.
Learn more about research on brainly.com/question/6947486
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Answer:
Body language comprises gesture, stance, and facial expression. ... When you are presenting, strong, positive body language becomes an essential tool in helping you build credibility, express your emotions, and connect with your listeners. It also helps your listeners focus more intently on you and what you're saying.
Explanation:
