The Image Below Shows a Mineral Specimen of Pyrite

question 4

Multiple Choice

The image below shows a mineral specimen of pyrite.What is the term for the thin parallel corrugations or stripes shown on the crystal faces below?

• A) conchoidal fractures
• B) facets
• C) cleavage planes
• D) striations

---

Definitions:

Lever Pushing

A task used in experimental psychology and behavioral neuroscience to study the principles of operant conditioning by training an animal to press a lever to receive a reward.

Red Light

A signal used in traffic lights, indicating a command to stop, or metaphorically, an indication to halt an activity or process.

Primary Reinforcers

Biological necessities that act as rewarding stimuli without prior conditioning, such as food and water.

Secondary Reinforcers

Stimuli that become reinforcing through their association with primary reinforcers, which are inherently rewarding.