Quasars Were First Discovered in Which Region of the Electromagnetic

question 20

Multiple Choice

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

• A) X-ray
• B) Cosmic ray
• C) Radio
• D) Infrared

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Definitions:

Population

The total number of individuals or organisms within a specific area or belonging to a particular group or species.

Beyond age 65

Pertains to the life phase following the traditional retirement age, focusing on aspects like health, activity, and societal roles.

United States

A country in North America consisting of 50 states and a federal district, known for its significant influence on global culture, economy, and politics.

Dementia

A category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember, significantly affecting daily functioning.