Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei. True or False

True

Explanation:

The cerebrum and the cerebellum are parts of brain:  

Cerebellum: lies under the cerebrum. Its purpose is to coordinate movements of the muscles, to maintain posture and balance.

Cerebrum: is the main portion of the brain, which consists of hemispheres right and left. It performs higher functions such as reading vision, touch, hearing, reasoning, emotions, and thinking.

They both contain a gray mater in their surface cortex and deeper nuclie whose function is related to motor control, coordination , precision, and balance.

Hence, the statement is true.

most community's take hundreds of years to become stable

the cell cycle is the final answer! : )