Erikson identified that need to be accomplished for successful adaptation to each stage of life. normative crises history gradients age-graded events developmental tasks

The answer is the developmental tasks. Erickson's theory of psychosocial development states that every individual goes through 8 stages of development. He proposed that a crisis occurs in each stage and in order to acquire a healthy life, human beings are compelled to complete each task. Failure to complete these tasks will result puts an individual at risk of having unhealthier life and delays in the development of one's self.

Carbon monoxide is usually more dangerous indoors.