the famous case of the genain sisters, identical quadruplets all diagnosed with schizophrenia, points out that siblings raised in the same household may experience their environment very differently, a concept called a(n):

Unshared environment

Explanation:

This concept is usually seen in genetics and psychology, where two people/species (often with similar genetic makeup) exhibit different traits if they experience a different environment.

For example, two birds of the same species, may develop into separate species based on where they live their whole lives.

tell their parents and make sure she gets from a counselor or therapist. be supportive and be there for her. be a kind and good friend. spend time with her to make her feel like she's not alone. i'm not a professional but i really hope they stays strong.

what effect does exercise have on the nervous system?

the answer is c.