Answer:
"Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years"
Explanation:
quoted from wikipedia
b. Many cities have local laws requiring children of different races to attend different schools.
c. "Separate but equal" public education is still legal in many states.
d. Segregated housing patterns are still common in many communities.
Explanation: Apart from purely ethical reasons, the main issue with dark patterns is their short-termism. Although dark patterns might give you a nice boost to your metrics, they won't stick for the long run. Users will realize they were tricked or simply get annoyed by a deceptive design
B) posttraumatic stress disorder
C) a depressive episode
D) a manic episode