The ability to acquire food on a regular basis meant that humans
a. had less control over the environment
b. could give up their nomadic way of life and live in settled communities
c. could use animals as pets
d. could use fire to cook their food
The ability to acquire food on a regular basis meant that humans "b. could give up their nomadic way of life and live in settled communities" because this meant that there was a food surplus, which gave people the opportunity to learn other skills and trades.
