Four environmental influences that can affect the development of someone's personality

There are many potential environmental influences that help to shape personality. Child rearing practices are especially critical. In the dominant culture of North America, children are usually raised in ways that encourage them to become self-reliant and independent. Children are often allowed to act somewhat like equals to their parents. i found the right answer .

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works