Maybe try zooming in a little more :)
"Sea-scented beach" is an example of both alliteration and assonance due to the fact that, (alliteration) you have two repeating consonants "<em>s</em><em />ea-<em>s</em><em />cented..." and assonance because of the "ea" in sea, and the "ea" in beach make the same sound.
It is used to deliver all direct and indirect characterization
The answer is that he was upset because Renee was supposed to do the heavy (yell and scream at Bella for making bad choices) but doesn't. So Charlie went moping around till the wedding came so technically he was upset that Renee hadn't rat Bella out.
The word "altercation" refers to a disagreement or a fight, particularly one that is heated, angry or noisy. The word "vociferous" means loud, noisy or vehement. Therefore, a "vociferous altercation" refers to a fight in which the people interacting are shouting in an angry and noisy way.