No i havent read the book before
Answer:
Because a C atom can form as many as 4 other atoms
Explanation:
Debido a que un átomo de C puede formar enlaces covalentes con hasta otros cuatro átomos, es muy adecuado para formar el esqueleto básico o la columna vertebral de una macromolécula.
Some prefixes are pre, post
It wouldn't matter really, but A is good. If you don't have a dictionary at hand, then do your best to pronounce it.