Seven-year-old jerry was taken in by his loving, suburban grandparents after his mother was jailed for prostitution and selling crack cocaine. in less than a year, jerry's reading and math scores increased by 60 percent. which of the following played a primary role in jerry's improved academic performance?
a. genetics
b. hormones
c. plasticity
d. age grade

c. plasticity

Explanation:

According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question it is most likely plasticity that played a primary role in Jerry's improved academic performance. This is because this term refers to the ability for nerve cells to change through new experiences. Which is why Jerry's grades started to improve when he was taken in by his grandparents and his home life improved.

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the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.