What is the leading cause of deforestation in the amazon rainforest?
a. mining
b. cutting down trees for timber
c. clearing land for farming
d. clearing land for grazing

Which landmark supreme court case ruled that segregation by race in public education was unconstitutional? a. miranda v. arizona b. plessy v. ferguson c. brown v. board of education of topeka d. alexander v. holmes county board of education

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

Which of the four planes was hijacked first? a. flight 175 b. flight 77 c. flight 11 d. flight 93