For Piaget, the most fundamental deficiency of preoperational thinking is egocentrism, which is .

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

answer; i believe the answer is 80%, plz check first good luck;

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.