What two forms of life characterized Precambrian time?

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

Why is the supreme court decision in roe v. wade so controversial.

Me! why was marbury v. madison such an important case? a. it confirmed that the supreme court was more powerful than congress but less powerful than the president b. it confirmed the authority of the supreme court to review a law in to determine whether or not that law is constitutional. c. it confirmed the authority of congress to increase or decrease the power of the supreme court. d. it gave the supreme court the power to confirm federal judges.