Answer:On this day in 1776, the Second Continental Congress adopted the United States Declaration of Independence in what is now known as ... Today, we celebrate our Nation's independence and the vision of our ... Over the past months, the American spirit has undoubtedly been tested by many challenges.
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C. The material for it is super expensive and sometimes fragile, which sucks, but it's true.
        
                    
             
        
        
        
The BEST example of technological design is researching a disease resistant corn hybrid.
        
                    
             
        
        
        
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The outer core is the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances. ... These powerful currents cause lines of invisible force to stretch around the Earth and thousands of miles into space, creating a magnetic field.