The effect of the narrative description of Huck's father is of a man who is not looked after, who is poverty stricken and unkempt and with low self esteem and for example re his hair that was greasy and hung down ie was dirty and not combed shows this. Also, from the sounds of it he was lily white, what we might call someone 'white trash' white these days.
Here are the answers for the given clauses above:
1. <span>that uses the technique of stream of consciousness: Adjectival clause
2. </span><span>how Faulkner envisioned the world through the eyes of Benjy Compson: Adverbial clause
3. </span><span>That his sympathies were with the cook Dilsey: Noun clause
4. </span><span>Because the first section of the book is seen through the eyes of a mentally handicapped man: Adverbial clause
5. </span><span>that is worth the work : adjectival clause
6. </span><span>If you read Faulkner’s opus: adverbial clause</span>
you naturally want to do things for that person
1,2,3
is the answer i hope I'm right