I would say B because of their population
A. I belive Mesopotamia was located around that area which was called "the
land of fertility"
Types of farming include subsistence farming, mixed farming, nomadic herding, commercial plantation, livestock rearing, etc.
Condensation is when water vapour (a gas) turns into a liquid. This can be obverved on the outside of a glass and is also the process which forms clouds. If you yourself can observe condensation, it must be in the bottom layer of the atmosphere, the troposphere.
