the question say Do you think that is to long to travel for a weeklong trip?
the correct word should be DO YOU THINK THAT IS TOO LONG TO TRAVEL FOR A WEEKLONG TRIP?
Plural possessive is the answer
Answer choice C: Subject and Verb
Let me know if it was correct
The last of a series of causes, although not necessarily the proximate cause,of an effect or result... Furthermore,the effect or result produced by the proximate cause would have occurred even if there would be a subsequent action,event or force that contributed to the eventual effect or result
