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The answer is B. Karlheinz Stockhausen
German composer, an important creator and theoretician of electronic and serial music who strongly influenced avant-garde composers from the 1950s through the '80s
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I hope it helps!!
Answer:
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.
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Collage can be made as basically as cutting pictures you like out of a magazine and gluing them onto a piece of paper, or more complex ones that involve gluing the pictures into shapes.
<em>Hope that helps!</em>
<em>-Sabrina</em>
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