Jack and Jill are twins. Because he is a boy, Jack’s parents encourage him to run. However, they discourage Jill from engaging in athletic activity. As a result, Jack is much faster at running up a hill than Jill. The difference in Jack and Jill’s behavior is best explained by .A) nonshared environmental influences.
B) active gene-environment relations.
C) polygenetic effects.
D) niche-picking.

A) Non shared environmental influences

Explanation: Non shared environment influences are any aspects of the environment and any influences that can be different for different children within the same family. In this case , Jack was encouraged to run because he is a boy thereby enabling him to be able to run up the hill much faster than Jill despite the fact that they are both children in the same family.

i guess because there isn't enough love going around. < 3

the dali lama

explanation:

he is quite fat and then we can talk about the details