Travis and Marcus, close friends, grew up in the same neighborhood. Both were exposed to chronic poverty, gang violence, and family dysfunction. By the time they were in high school, Travis was flunking most of his classes, had a child, and had been arrested numerous times for drug-related crimes and theft. Marcus, on the other hand was a good student, played football, and had aspirations to attend college. These different developmental trajectories, despite similar environmental influences, illustrate the concept of :.A) epigenetics. B) critical period C) a sensitive period. D) differential susceptibility

D)differential susceptibility.

Explanation:

The differential susceptibility model, posited by Belsky and Pluess (2009), explains that the effects of the environment on child outcomes may be negative depending on how an individual is affected by it; that a person's development and emotional aspect is affected differently by the qualities and experiences of the environment. In other words while Travis may be sensitive to the negativity of his environment, Marcus may not be.

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

im sorry i dont know a lot of this but ill try my best

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