At Its Maximum Extent, Ice Covered Almost ________ of the Earth's

question 69

Multiple Choice

At its maximum extent, ice covered almost ________ of the Earth's land surface.

• A) 1/3
• B) 1/2
• C) 3/4
• D) 1/10
• E) 4/5

---

Definitions:

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in controlling breathing, communication between different parts of the brain, and sensations such as hearing, taste, and balance.

Substantia Nigra

A region in the brain involved in reward and movement, notable for its role in Parkinson's disease where its dopamine-producing neurons degenerate.

Emotional Behavior

Emotional behavior refers to the actions and reactions a person exhibits in response to their feelings and emotions.

Amygdala

A region of the brain involved in experiencing emotions, such as fear and pleasure, and in forming emotional memories.