Approximately 80% of Alaska Has Permafrost Beneath Its Surface

question 87

True/False

Approximately 80% of Alaska has permafrost beneath its surface.

---

Definitions:

Gross Motor Skills

Gross motor skills involve the movements of large muscles in the body, such as walking, running, and jumping.

Brain Development

The process of growth and maturation of the brain, which starts in utero and continues into early adulthood, involving changes in structure, function, and connectivity.

Myelination

The formation of a myelin sheath around the nerve fibers, which increases the speed and efficiency of electrical signals in the nervous system.

Peripheral Slowing Hypothesis

The theory that suggests that overall processing speed declines in the peripheral nervous system with increasing age.