Relative to the Radio Signals Sent Out by a Spacecraft

question 47

Multiple Choice

Relative to the radio signals sent out by a spacecraft headed away from the earth, the signals that are received on the earth have

• A) a lower speed.
• B) a lower frequency.
• C) a shorter wavelength.
• D) all of these properties.

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Definitions:

Goals of Science

The objectives of science include describing, explaining, predicting, and controlling phenomena based on empirical evidence and logical reasoning.

Changing Behavior

The process of altering actions or reactions through various methods, including intervention, to achieve desired outcomes.

Determination of Cause

The process of establishing a causal relationship between variables, typically through controlled experimentation or extensive observation.

Physiological Factors

Aspects of the body’s physical and biological functions that can affect behavior, health, and well-being.