Question

which of the following life periods makes up most of our life span?
○ adulthood
○ childhood
○ adolescence
○ prenatal

Explanation:

Adulthood typically lasts from the late - teens or early twenties until old age, which is a much longer time - span compared to childhood (birth to around 12 years), adolescence (around 13 - 19 years), and the prenatal period (from conception to birth).

Answer:

adulthood