To my mind, the correct answer is “to help the reader understand how the fuel system on a spacecraft works to help the reader understand the difficult decisions faced by Mission Control”. The aim of including a problem-solution text structure is to organize the author´s ideas in a way that helps the audience to gain understanding of the text. In addition, this device is very useful to call the attention of the audience and to make the text more appealing to them.
I believe the dependent variable in this experiment is the time for salt to dissolve since it <u>depends</u> on the speed of stirring (independent variable).
Therefore, the answer is:
Time for salt to dissolve
Hope this helps! :D
Answer:
the last option is the beneficial answer
The answer is D.
<span>They
pose questions to the readers in an attempt to mimic the same
questionable communication they have with their family members.
I know because I had the same question on a quiz.
</span>
