Answer:
a. achieving stage.
Explanation:
Warner Schaie is a developmental German psychologist who has focused on the cognitive stages of people along their lifespan.
According to him, people go through different stages of cognitive development (since childhood and until they are old) along their life span.
The Achievement stage is the second stage of his theory and it takes place in young adulthood, according to Schaie during this stage the individual's primary cognitive tasks are to achieve personal goals in the long term future (starting a family, being successful in their careers, make contributions to society) by applying the intellectual skills that they learned when they were younger (adolescents).
Corona obviously and let China ppl know abt it first
SPERM
Sperm are continuously produced by males, while a female is born with a full supply of eggs.
Characteristics of egg cells and sperm cells.
<span>*Egg cells are usually formed in a female before birth while sperm cells form during puberty. </span>
*Egg cells are produced in the ovary of a female human being while sperm cells are produced in the testicles of a male human being.
<span>*Egg cells are included in the largest cells in a female body while sperm cells are the smallest cells in the male body.</span>
D) Becoming an adult is associated with parenting