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Barack Hussein Obama II is an American attorney and politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American to be elected to the presidency.
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diffuse reflection
For a rough surface, reflected light rays scatter in all directions. This is called diffuse reflection. Diffuse reflection is when light hits an object and reflects in lots of different directions. This happens when the surface is rough.
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<u>The correct answer is A.</u> The diseases we immunize against are not gone and they are still deadly. These diseases still exist in many places in the world. Polio was eliminated from the United States thanks to vaccination, it still occurs in Afghanistan, Pakistan and Nigeria, being a serious problem there. If we do not get vaccinated this type of disease can return to the country.
Words used to describe people, items, places, events, or more are called adjectives
