Е Why does the author of "Is Online Brain Training
Actually Effective?" mention the results of a
research study in paragraph 3?
O A. to explain the significance of conducting proper
research
B. to demonstrate the need for more effective
brain training games
C. to provide support for their argument about
brain training games
O D. to help the reader understand why they should
not buy brain training games

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