Aman and pavan are identical twins who were separated at birth. whenever something goes wrong (even when it is not his fault), pavan always feels guilty about it. according to the research on genetics and negative emotions, you would expect aman to show levels of guilt.

The correct answer to this open question is the following.

Aman and Pavan are identical twins who were separated at birth. Whenever something goes wrong (even when it is not his fault), Pavan always feels guilty about it. According to the research on genetics and negative emotions, you would expect Aman to show unpredictable levels of guilt.

There have been many studies on genetics and negative emotions that show that the recognition of emotions in twins is hereditary. Genetics influence the grade of emotions in twins, such as irritability, anger, and depression. Another factor that influences negative behavior is the environment in which twins were raised.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

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explanation:

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