Explanatio hey
Car manufacturers use radiation for which task?
C is the correct answer becuase author would go first then source or title then date published
D is pointless because just rewriting it doesn't mean it is going to be better
B could help for spelling errors, but probably won't help with distracting errors
The answer could be A or C because with both of those you are getting an opinion from someone else. The answer is most likely C, because peer review tends to be more encouraged than teacher review.
Umm well have a good setting and reasoning for why you want chemistry between them. And for good chemistry give them a history and challenge there chemistry with different moods and obstacles. thats just my opinion i love writing.