Quasars Were First Discovered in Which Region of the Electromagnetic

question 84

Multiple Choice

Quasars were first discovered in which region of the electromagnetic spectrum?

• A) X-ray
• B) gamma-ray
• C) radio
• D) infrared
• E) visible

---

Definitions:

Potty-Trained

The process by which a young child learns to use the toilet for urination and defecation voluntarily.

Fear Dentist

Anxiety or fear associated with visiting the dentist, often resulting in avoidance of dental care.

UCS

An acronym for Unconditioned Stimulus, which in classical conditioning theory is an event that naturally and automatically triggers a specific response without previous conditioning.

Classical Conditioning

A process of learning that takes place when there is a connection between an environmental trigger and a stimulus that occurs naturally.