Research into the evolution of humans has found that our ancestors lived: a) solitary lives and only recently have we started to form social groups. b) in social groups their whole lives. b) in social groups at the beginning of their life but not as they started their own family. c) solitary lives, much like what we do today.

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.