How Much of the Surface of the Moon Visible from Earth

question 106

Multiple Choice

How much of the surface of the Moon visible from Earth is illuminated by the Sun when it is at crescent phase?

• A) One-quarter
• B) Very little
• C) All of it
• D) One-half

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Definitions:

Association Cortex

Sometimes called association areas, the region of the cerebral cortex that is the site of the highest intellectual functions, such as thinking and problem solving.

Intellectual Functions

Cognitive capabilities related to reasoning, problem-solving, planning, abstract thinking, comprehension, and learning.

Cerebral Cortex

The outermost layer of the brain, involved in high-level functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.

Basal Ganglia

A group of structures in the brain involved in coordinating movement, as well as aspects of cognition and emotion.