Answer:
Elizabeth Alexander wrote Praise Song for the Day to celebrate the swearing in of her friend, and former University of Chicago colleague, Barack Obama as the 44th president of the United States.
Explanation:
Answer:
If we heat water, it will boil.
Explanation:
There are no options given, but historically speaking it was the invention of "Cotton Gin".
A cotton gin was a revolutionary invention which enabled people to
easily separate cotton fibers and seeds; previously it used to take a large
time sorting it manually. The inventor behind this was <span>Eli Whitney. The processing was made easy but
still slaves were needed to grow cotton.</span>