Nomads will move from place to place typically looking for shelter and other things
Answer:
C.
Explanation: It cant be option A because agriculture is not the most important in the economy. Hope it helped :)
Answer: Well, Simply, you'd need some type of survival training, let's saying theoretically this world had some equivalent features to earth itself, you'd first need to gather sticks and rocks make a campfire then build a tent out of certain things in the woods, to survive the first night early morning would be the best time to head out and try to find resources or even civilization, if nothing is found, the other way of survival would be to get a large stick and with anything sharp your's want to shape part of the stick to be pointy thus making it a spear and trying to catch fish with it.
The answer is C, He developed the concept of interchangeable parts.