The natural resources used by society are limited by various factors. why is coal considered a nonrenewable resource?
a. once coal is used up, it can never be replaced.
b. coal is a nonrenewable resource, because it comes from the impact of meteors with the earth.
c. coal was a renewable resource, until it was mismanaged by humans.
d. coal is considered a nonrenewable resource, because it takes millions of years to form.

1. in the debate for the student council election, a student candidate quoted explicit lyrics from a popular song. the school suspended him for two days, in line with school policy. 2. a student sued the school over its policy of holding two proms: one for african american students and one for white students. - are these civil or criminal cases? how do you know? - which court has original jurisdiction in the case: state court, federal court, or the u.s. supreme court? -. where will the case go next if it is appealed?