CORRECT ANSWER GETS BRAILNIEST What did Plaget believe about his stages of cognitive development?
A) It is not required to complete one stage to move on to the next one.
B) All children go through the stages in the exact same order
C) A child's age is the main factor to determine when they enter a stage.
D) All adults complete all four stages of development by the age of 25.​

C

Explanation:

Through his studies, Piaget declared that cognitive development occurred in four stages throughout one's childhood: Stages occur in order. Children did not skip stages but pass through each one. There are visible changes from one stage to the next.

answer; i believe its (ovulation);

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .