Answer:
A. preoperational stage
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 an ascending order are;
I. Sensorimotor: this is between 0 - 2 years (18 - 24 months) where the child exhibits object permanence.
II. Preoperational: this is age 2 - 7 years where the child acts in an egocentric manner.
III. Concrete operational: this is age 7 through age 11 and the child thinks logically at this stage.
IV. Formal operational: this is from adolescence (11 years) through adulthood and focuses on logically thinking about abstractions.
Hence, the preoperational stage in Piaget's cognitive development theory reflects a child's egocentrism, which leads the child to act in a self-centered fashion.
<span>Amino acids are the components of proteins, and proteins are one of the main food groups that human require in order to be fit, healthy and strong. There are twenty different naturally occurring amino acids, each one abbreviated to a three letter code, or often just one letter, for example, the amino acid Alanine is abbreviated "Ala", or just "A".
There are nine amino acids that the human body cannot make for itself, and therefore must be obtained from the diet, i.e protein rich foods such as milk, cheese, and lean meats such as beef, and chicken. These nine amino acids are as follows, Leucine (L), Methionine (M), Phenylalanine (F), Valine (V), Threonine (T), Tryptophan (W), ,Isoleucine (I), Lysine (K), and Histidine (H).
If these amino acids cannot be obtained then various developmental problems arise such as having poor muscle mass, fragile hair, poor skin complexion, and quality, and more seriously, problems such as exhaustion/fatigue and dizziness.</span>
Answer:
Dogs like to run because they are energized. Dogs arent smart.
They recycle the intestinal fluid and return it to the bloodstream <span>into the circulatory system.</span>
