What Propagation Problem Becomes Worse as Frequency Increases

question 51

Multiple Choice

What propagation problem becomes worse as frequency increases?

• A)absorptive attenuation
• B)shadow zones
• C)both A and B
• D)neither A nor B

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Definitions:

Biodiversity

The variety and variability of life on Earth, encompassing diversity within species, between species, and of ecosystems.

Ethical Principles

Fundamental guidelines that influence conduct and decision-making, based on notions of right and wrong.

Extinction

refers to the process by which a species, genus, or family of organisms ceases to exist through death or inability to reproduce in its environment.

Overexploitation

When the number of individuals taken from a wild population is so great that the population becomes severely reduced in numbers.