Answer:
Radiocarbon testing indicates that the earliest images made by humans date back by  Paleolithic period 
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Answer: The Golden Arches are the symbol of McDonald's, the global fast food restaurant chain. Originally, real arches were part of the restaurant design. 
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Answer:
It's C. The mood, created by sunlight through the trees. :)
 
        
                    
             
        
        
        
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Answer:
It's called the circle of fifths because each key signature is separated by the distance of a fifth interval (for example: C to G on the circle above represents a fifth). Now move one space to G, the next key. You'll notice in the outer ring of the circle that a new sharp (teal box) comes along with it.
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