Can you give more text of the question?
According to Piaget, children gain logic in middle school
I believe what you're looking for is economics, but I could be wrong.
Answer:
Microbial
Explanation:
Microbial communities defend human body against pathogenic microbes which are responsible for disease prevalence. Some of the prime examples of diseases that are transferred through pathogenic microbes to their host are Salmonella, Dengue and E. coli etc. Hence, disrupting the microbial communities can make us more susceptible to diseases.
Dreaming is a symbolic fulfillment, we dream about what our ID wants and ego can distort the memory of the dream.
