Why Do Scientists Think That Dark Matter Does Not Interact

question 23

Multiple Choice

Why do scientists think that dark matter does not interact through the electromagnetic force?

• A) because, if it did, it would absorb or emit photons
• B) because it exists too far out into space
• C) it exerts no gravitational pull on other matter
• D) there is too little of it to exert an electromagnetic force
• E) all of these are correct

---

Definitions:

NCCT Certification

A certification from the National Center for Competency Testing, recognizing qualified professionals in health care and other fields.

Continued Education

The pursuit of learning and acquiring new skills or knowledge, typically after completing formal education, often required in various professions for maintaining licensure.

Continuing Education

Structured post-secondary learning experiences, often required in various professions to maintain a level of competency.

Clock Hours

The actual hours as shown on a clock, used to measure time in a linear fashion.