I think it's answer is D. humid subtropical
Answer:
Piaget's theory
Explanation:
Jean Piaget has developed the theory of cognitive development in which he has mentioned four different stages including the sensorimotor stage, preoperational stage, formal operational stage, and concrete operational stage.
Jean Piaget's theory is based on the ideology that a child can actively construct different knowledge as he or she manipulates and explores the world around him or her. His theory explains a framework for the understanding of the development of thinking and cognition process. He explained the process through which a child interacts with his or her environment by using senses.
Answer:
Scarcity dictates that economic decisions must be made regularly in order to manage the availability of resources to meet human needs. Some examples of scarcity include: The gasoline shortage in the 1970's. ... Coal is used to create energy; the limited amount of this resource that can be mined is an example of scarcity.
Explanation: