It is equivalent to 4 eighth notes
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message is really important nowadays without message we cannot comunicate with one another so in my opinion message is very usefull.
McCarthy was involved during this issues- 1940s to 1950s!
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The camera obscura later became a popular tool during the Middle Ages and the Renaissance, particularly after inventors began using biconvex lenses to brighten its images. Astronomers used it to protect their eyes while observing the sun and solar eclipses, and artists employed it as an aid in portraiture and landscape painting.
Explanation:
