Answer:
because Margaret has a solid education and considers themselves to be well prepared for menarche?
Answer:
A & B
Explanation:
They used their new food to increase their population and then spread their knowledge to all of Africa. More food meant bigger populations, which led to cities.
Answer: Parallel processing
Explanation: Parallel processing is the brain's ability to process or do many things (perform alot of task) at the same time. A typical example is when you see a person, first you see the color of the skin, the height, shape of the body or face (eyes, nose, ear mouth, jawlines); you brain process this information at the same time and it instantly recognizes the person to be either a family member, a friend, a total stranger etc.
I believe the graph won’t be complete for a few years.