What best describes the impact of people changing from hunter-gatherers to living in permanent agricultural societies? a.)hunter-gatherers relied on a narrower variety of foods compared to grain producing agricultural societies. b.) hunter-gatherers made little impact on the land versus “slash and burn” techniques used by agricultural societies. c.) hunter-gatherers domesticated more animals during the winter months compared to agricultural societies. d.) hunter-gatherers endangered many species due to overkilling compared to agricultural societies.