Cleavage Is ____

question 56

Multiple Choice

Cleavage is ____.

• A)the breaking of minerals along smooth planes of weakness determined by the strength of their chemical bonds
• B)not useful for mineral identification
• C)determined by how many different elements are combined in the formation of a particular mineral
• D)the breaking of minerals along planes of fracture resulting from strong hydrogen bonds
• E)mineral breakage along irregular surfaces

---

Definitions:

Cortex

The outer layer of the cerebrum of the brain, involved in complex brain functions including memory, attention, perceptual awareness, thought, language, and consciousness.

Cerebrum

The largest part of the brain, responsible for higher brain functions such as thought, action, reasoning, and sensory perception.

Cerebellum

An area of the brain crucial for controlling movements, coordinating actions, ensuring precision, and managing the timing of these movements.

Parasympathetic Nervous System

A division of the autonomic nervous system that helps return the body to a state of calm and digestion after arousal.