A, innovative and diffusion
Answer:
In the South.
Explanation:
In 2010, nearly 39 million Americans, 13% of the total country figure, identified themselves as black alone. 57% of black alone populations lived in the South, according to the 2010 Census. Outside the South, black alone people tended to concentrate in large cities.
Mars atmosphere is made up of carbon dioxide which makes up about 95% of the atmosphere