Answer:
sensorimotor, preoperational, concrete operational, formal operational.
Explanation:
Cognitive development can be defined as the development of thought processes, skills, knowledge and problem-solving abilities from infancy through adulthood.
Jean Piaget was a developmental biologist and psychologist who worked extensively on cognitive development in infants and teenagers; these are judgement, knowledge and thoughts.
Jean Piaget's stages of cognitive development in order are;
I. Sensorimotor: this is between 0 - 2 years (18 - 24 months).
II. Preoperational: this is age 2 - 7 years.
III. Concrete operational: this is age 7 through age 11.
IV. Formal operational: this is from adolescence (11 years) through adulthood.
16.4 x 3 = 49.2cm however, if you take into consideration the width of the blade cutting the board, you would have to add that width twice to get the actual length of the board.
Answer: Crunches target the rectus abdominis and other abdominal muscles. An ab crunch machine is designed to strengthen the abdominal muscles. Wearing compression underwear can give the stomach a more toned appearance. Ab crunches are a great exercise for people looking to shed weight
Explanation:
