I would say the correct answer is that has an undetermined answer.
If a subject has been thoroughly covered, then there is no need for this researcher to do it all over again. If it's impossible to answer, there is no need to try. If it can be answered easily, then it doesn't really require a research. This leaves us with the last option, because a researcher might want to try and determine the answer.
The clause <em>if you ask her </em>is an adverb clause.
Since similarly to adverbs, these clauses answers some questions such as where, when, or in this case, under what condition, then this means that they are called adverbial clauses.
I can't write the whole summary for you, but writing a summary is quite easy. Just take the main point of each chapter (in your case). Write the main point and what it caused. Kinda like cause and effect. Do this for each chapter. :) If you need anymore help, please feel free to ask! Hope this helps and have a Happy New Year!
"A prop is worth a thousand words" would mean that a carefully selected prop could explain the situation better than to use words to explain it. The expression is similar to that of - a picture is worth a thousand words, they mean the same, basically.
Answer:
Climbing through the brush, she sees the pearl lying in the path. She picks it up and considers returning to the sea to discard the pearl once and for all.
Explanation:
