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(D) Algernon is still a young mouse, but he is going backward mentally, in contrast to what one would expect.
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(Sorry no one answered when you needed it)
 
        
                    
             
        
        
        
A . I think that’s the answer
        
             
        
        
        
Answer:
phones laptops desktops xrays tvs projecters
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There are currently 100 senators in the United States--two senators for each one of the fifty states. This was a system devised to go hand in hand with the House of Representatives, which is based on the population size of each state. 
        
                    
             
        
        
        
The two technological advances that Europeans borrowed from China were compass and gunpowder.
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</h3><h3>How was the compass and gunpowder created?</h3>
They were developed in China, being the compass during the Han Dynasty 2000 years ago. And gunpowder during the Tang Dynasty in the 9th century. The compass for the Chinese was a feng sui instrument with a mystical purpose.
Gunpowder, on the other hand, was an accidental discovery from China and was used in fireworks and parties.
Therefore, these Chinese discoveries were used by Europeans centuries later, the compass being an instrument that made possible the great navigations and the gunpowder used in weapons during wars.
Find out more about compass here:
brainly.com/question/594583
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