Answer:Different words for concern could be worry, anxiety, care, mind and troubled. Hope I helped :)
Explanation:
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.
University help prepare you for your job in the world. It helps improve your social skills as well as get you ready for business meetings, or anything that has to do with your future career.
Hope this helps and hope you have a great day. Please mark brainiest.
The answer is C. <span>The Beatles' "Yesterday" is the most covered song in all of popular music.</span>
