Ellie keeps seeing images of the World Trade Center collapse and sometimes seems to feel the dust filling her lungs. She refuses to go back to New York City and is having trouble sleeping. Ellie's behavior is consistent with:

Explain why MZ twins who divorce have more psychological problems than their married co-twins is not due to the difference in genes nor childrearing experiences that the twins share

Anyone can help me with this one?

________ refers to heredity and __________ refers to environmental influences

a) Nature; nurture b) Cognition; emotion c) Nurture; behavioral genetics d) Cross-sectional; longitudinal