ENVIRONMENT
There are many theories discussing how genetics and upbringing shape a person’s personality throughout his life. Ryan’s interaction with his environment and the experiences he had throughout his life shapes his personality. Openness, conscientiousness, extraversion, agreeableness and neuroticism are the five traits that influence how he participates with his surroundings.
Theorists believed that early life experiences have the maximum impact in a person’s personality. However, they also argued that new life experiences, temperament, the kind of social roles or simply growing older can change an individual’s personality over time.
Answer:
Adequate parenting behaviour
Explanation:
Adequate parenting behaviour, since this means basically decent parenting. This is not a bad thing
Alcohol use. I know for a fact that that's the answer.
Red Blood Cells i believe are not part of the immune system. They carry oxygenated blood to the organs of the body
