The reasons to consider San Francisco and Hong Kong as part of a same region are:
- <em>Location;</em>
Both cities are coastal cities, and they are connected with the waters of the Pacific Ocean, San Francisco directly, while Hong Kong through the waters of the South China Sea. Both of them belong to the North Pacific region.
- <em>Economy;</em>
Since they are coastal cities, and have well developed ports, big portion of the economy of the cities is reliant on the trade, and most of the trade goes through the waters of the North Pacific, both for export and import. So both of them are part of the North Pacific economic zone.
The earth's ozone layer is located in the lower part of the stratosphere.
The electromagnetic spectrum, visible light occupies the band between 0.4 and 0.7 in "Micrometers"
The electromagnetic spectrum is the range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies.
Electromagnetic radiation is consists of waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy. It includes radio waves, microwaves, infrared, light, ultraviolet, X-rays, and gamma rays. All of these waves form part of the electromagnetic spectrum.
Electromagnetic radiation is produced whenever a charged particle changes its velocity i.e., whenever it is accelerated or decelerated. The energy of the electromagnetic radiation thus produced comes from the charged particle and is therefore lost as it gets discharged.
To learn more about Electromagnetic spectrum, here
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Michigan.......Maine,
<span>New Hampshire, </span>
Among Australia's vast deserts, the nullarbor plain is unique because of its treeless surface and its limestone geology.
And
because of this unique geology, the nullarbor plain also managed to
contain some unique fauna that could be found deep within the caves.