Answer:
B. The way the culture and the time in which the author writes
C. Show his work so he doesn't get points taken off
Note how it says he can do "most" calculations, its best to always show work so it shows that you didn't cheat as well as it helping make you more likely to get that answer correct.
Romantic and idealistic in the there that there is a goodness in everyone although sometimes it takes time for that goodness to shine through a girl of the limberloat is also a forrunner in expounding on the importance of conversation and preservation of our resources
Hope this helped
The middle one. the top and bottom both give reasoning or explain the first half, the middle one doesn’t.