Faunal remains can help zooarchaeologists establish the season of the year a site was occupied ...

Faunal remains can help zooarchaeologists establish the season of the year a site was occupied because
 
  a. different butchering techniques were used by hunters at different times of the year.
  b. animal birthing and tooth eruption schedules today are comparable to the past.
  c. the hunters would only break open the long bones to extract the marrow during the late winter when food was scarce.
  d. hunter and gatherer meat storage techniques varied in a consistent manner depending on the season of the year.
  e. certain animals are only found in certain areas at certain times of the year.