<span>I think the right answer is "which they reach a certain age." Jean Piaget is a psychologist who studied human development. According to his theory, human development is divided into stages, these stages are achieved due to cognitive maturation during the first years of life. <span>Each stage of development is characterized by more specialized skills, behaviors, and cognitive skills.
I hope my answer can help you.
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Answer:
i think it is about 700 miles. but the second question man.
Answer:
White matter
Explanation:
Brain work like a computer. It is easier to understand the brain. White matter is the substance that connects all the matter and transmits the message. This is the nerve tissue in the brain that contains nerve fibers. The fibers connect the nerve fibers and these nerve fibers are covered by a myelin sheath.
Myelin sheath help in improving the speed of information from one neuron to another neuron. The myelin speeds up the signal between cells and the signal cells which sends and receives cells.
