What is twain’s most likely intention for employing humor within this quotation?

to portray huck’s father as educated and
to portray huck’s father as uneducated and ignorant
to convince the reader that huck’s father truly wants to huck
to convince the reader that huck’s father has the ability to be funny

Aids is growing fastest in the poorest countries of africa. these nations don’t have enough doctors, medical labs, or money for medicine. a recent study showed that only a small percentage of hiv-infected children in africa are getting any medical treatment at all. what central idea is emphasized in both sources? the hiv/aids epidemic in africa is serious. the hiv/aids epidemic in south africa is serious. the hiv/aids epidemic among african children is serious. the hiv/aids epidemic among south african children is serious