The Physical Breakdown of a Rock into Smaller Pieces Is

question 8

Multiple Choice

The physical breakdown of a rock into smaller pieces is called

• A)the rock cycle.
• B)sedimentation.
• C)chemical weathering.
• D)mechanical weathering.
• E)abrasion.

---

Definitions:

Spinal Reflexes

Automatic responses to stimuli that are mediated by the spinal cord, bypassing the brain's involvement.

Painful Stimulus

A stimulus that is physically uncomfortable or hurtful, often triggering a reflexive withdrawal or response to stop the pain.

Motor Response

The physical reaction of the body to a stimulus, involving movement of muscles.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.