Final answer:
Adolescence is the period between childhood and adulthood characterized by significant physical, cognitive, and psychosocial changes. It includes puberty and continues through the teenage years, culminating in matured personal identity and social independence. The correct option is 2.
Step-by-step explanation:
The transition period in life between childhood and adulthood is best described as adolescence. This stage begins with puberty, marking the start of significant physical, cognitive, and psychosocial changes.
Adolescents experience not only the physical changes associated with sexual maturation but also a spurt in growth, development in cognitive abilities, a stronger sense of personal identity, and shifting social relationships.
Adolescence typically covers the teenage years and encompasses changes such as the development of more advanced reasoning skills and increased independence.
During adolescence, individuals are known to establish their own values, form unique social relationships, and prepare for adult roles. It's a crucial period for forming a personal identity and gaining the skills necessary for adult life.
Though puberty might start in the pre-adolescent stage, the cognitive and social developments continue well into late adolescence and are essential components of this transition period. The correct option is 2.