There is no underlined word.....
Answer: summarizing ideas.
It is impossible to write a good summary of any type of information unless you have first read or watched the whole text, video or performance. In order to write a summary, you need to be familiar will all the main ideas of the work. You also need to be familiar with the details, as you need to decide which details are worth including in your summary. A summary is a useful tool when we want to be able to recall the important points of a work later on.
The prepositional phrase for this sentence is "go until Friday." The word "go" is a preposition. Think of it as a squirrel and a log. To find a preposition, say "The squirrel (went) [insert preposition] the log." If it makes sense, it is a preposition. Then just find the phrase to go along with it!
Your first option is correct.
EXPLANATION:
your first option is correct because this is a grammar question. When you use "an" you're using it in front of a vowel. The only sentence starting with a vowel is the first one. The others don't sound right when you use "an" in front of it instead of "a".
I hope I helped! :)
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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