Light Can Travel to Earth from a Distant Star, but Sound

question 49

Multiple Choice

Light can travel to Earth from a distant star, but sound cannot. Why is this?

• A) Light is an electromagnetic wave, and sound requires a medium.
• B) The Sun does not make sound.
• C) Light is a longitudinal wave, and sound is a transverse wave.
• D) The statement is false; both light and sound can travel in empty space.

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Definitions:

Biological Relatives

Family members who are related by blood, such as parents, siblings, and offspring, sharing genetic material.

Human Laboratory Studies

Experimental research conducted in controlled lab settings, often involving human participants to understand various aspects of behavior, cognition, and physiology.

Control

The power to influence or direct people's behavior or the course of events.

Third Variables

Factors that are not directly under study but may influence the relationship between the variables being examined in research.