Which would be the best source for locating a synonym for the word contamination in order to avoid redundancy in a research paper?

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

In the following conversation, which group discussion technique does emily most clearly show?

Which most closely describes the author's use of historical information for the novel white fang? consider both texts provided. the author included details and descriptions of the dogs that match the historical details provided. b) the author changed the historical facts about early sled dogs to fit the needs of his plot and setting. c) the author changed the description and age of the dogs, which was necessary for his main character to develop bonds with the dogs. d) the author included historically accurate details of the dogs' working conditions, but the dogs he describes in his story are alaskan huskies.