Describe the electrical properties of the D-layer of the ionosphere and explain its relationship to the transmission of AM radio waves

What will be an ideal response?


Answer: The ionosphere can be defined based on its electrical properties. This layer, which extends from the upper mesosphere into the thermosphere, contains large numbers of electrically charged particles called ions. The ionosphere affects radio communication with satellites, including those of the Global Positioning System.

Environmental & Atmospheric Sciences

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A swimmer caught in a rip current should

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The _______________ is the arbitrary starting point for longitude measurement. (two words)

Fill in the blank(s) with correct word

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Before ice forms on a lake, all the water in the lake must be cooled to

A. 4°C. B. a value slightly below 0°C. C. 0°C. D. indeterminate

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Which of the following is TRUE about seawater?

A) Seawater is pure water (H20). B) The salinity of seawater is negligible. C) Seawater is a solution. D) The chemical composition of seawater has great spatial variability.

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