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Corona is actually a word derived meaning “crown”. It is used in different places for different meanings. For example, if you have watched the movie “Tangled”, you will find that Rapunzel was a long lost princess of the kingdom of Corona.
Is loosing weight. Getting fresh air. And just seeing the beautiful nature
The first vaccine was developed for cowpox and smallpox.
A ray of lighting on the surface spectating two medium is the incident ray. A ray of lighting traveling in another medium, with change in the direction is the refracted ray.
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