What was an effect of the duke coal ash spill?
a. the coal industry reduced the total amount of coal that could be mined.
b. duke energy went out of business due to millions of dollars in fines.
c. the dan river dam was built to provide an outlet for liquefied coal ash.
d. north carolina legislators changed coal ash storage requirements.

The case of brown v. board of education was started when a. oliver brown's daughter had to walk 21 blocks to the nearest school when an all-white school was only 7 blocks away. b. oliver brown's son was caught at a sit-in at the local school district. c. oliver brown's son was unable to participate in the school's all-white football team. d. oliver brown's daughter was unable to attend high school because there were none for her to attend.