What Does Cosmological Redshift Do to Light

question 27

Multiple Choice

What does cosmological redshift do to light?

• A)makes it brighter
• B)stretches its wavelength
• C)makes it slow down
• D)makes all light infrared

---

Definitions:

Randomly Assign

The process of assigning study participants or experimental elements to different groups using a method based on chance.

Nonequivalent Control Group Pretest-posttest Design

A quasi-experimental design involving two groups not created through random assignment, where both groups are tested before and after an intervention.

Substance Abuse Knowledge Test

A tool or assessment designed to evaluate a person's understanding and knowledge about substance abuse disorders and their impacts.

Training Sessions

The periods of time dedicated to teaching and practicing skills or procedures, often aimed at improving performance or understanding.