Which of the Following Meets the Definition of a Rock

question 1

Multiple Choice

Which of the following meets the definition of a rock?

• A) a pile of damp sand still holding the form of a bucket
• B) a collection of crystals that fit together like puzzle pieces
• C) cobblestones cemented together to form a walkway
• D) a layer of mud at the bottom of a dry riverbed

---

Definitions:

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including exercise and activities undertaken while working, playing, or performing daily chores.

Mental Activity

The operation of the mind through processes like thinking, learning, memory, perception, and problem-solving.

Goods

Tangible items that are produced, bought, or sold, serving as objects of commerce and economic transactions.

Services

Activities or functions that are provided by individuals or organizations to fulfill the needs or wants of others.