Stay patient and motivated, avoid browsing irrelevant things on the internet when you need to get something done, and take breaks and ask help when you need it... this is what I do so I hope this helps!
Answer is −896−899. if you need help or need to show work lemme know.
Answer:
occupies the subarachnoid space and the ventricular system around and inside the brain and spinal cord
Explanation:
d. cognitive
"Cognitive development is the construction of thought processes, including remembering, problem solving, and decision-making, from childhood through adolescence to adulthood."
I hope this helps!