Which word in the sentence is an adverb?
this painting is quite colorful and interesting.
a.
interesting
b.
quite
c.
colorful
d.
this

 The correct answer is: [B]:

              " quite ".

 Given the sentence:

   " This painting is quite colorful and interesting. "   ;

  The adjectives in this sentence are:  "colorful" and "interest" ;

The word "quite" in this sentence describes an adjective;  

as such, the word "quite" functions as an adverb.

marriage difficulties adversely affect parent-child communication

im not sure about this one