<span>D. Homo habilis is the answer
</span>
Brain. They found a tumor if my memory is right.
<span>The soil was poor and farming was difficult so people were willing to leave farms and work elsewhere. There were lots of streams and rivers that could provide waterpower, so lots of factories were built.</span>
Answer:
B. Food shortages that led to starvation
Explanation:
There wasn´t a lot of food in the area and the river that was near them was very salty and unsafe to drink along with the mosquitos that lived in the mushy areas cared a certain disease with them.
All occurred in the Stone Age
