B: adult
Reason: when a caterpillar leaves it’s chrysalis, it is fully grown
C because that what the hunters and gatherers had to do in order to survive
Let's first think what could be a "positive" impact - this would mean making the environment more clean and more friendly towards other species.
So they could clean up the environment (from the mess that was likely introduced by a human activity) and support other organisms in it - for example by removing the physical barriers for migration of other species (bridges over the streets for example) <span />
