For radio reception, diffraction is
A) helpful.
B) a hindrance.
C) not a factor.
A
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What is not a factor in the amount of light penetrating the ocean?
A) The angle at which the light approaches the Earth B) The surface turbulence of the ocean C) The amount of light absorbed by clouds D) The presence of ice or foam on the surface
On a surface weather map that shows an open wave cyclone, the warm sector can be observed:a
ahead of an advancing cold front. b. behind an advancing cold front. c. ahead of an advancing cold-occluded front. d. behind an advancing cold-occluded front. e. ahead of an advancing warm front
Which portion of the lightning process is the most visible?
A) charge separation B) stepped leader C) return stroke D) dart leader
The Heartland Institute flier about global change is an example of:
A. Pseudoscience B. Bias C. Propaganda D. All of these are correct