identify the contributions made by archimedes, eratosthenes, and hippocrates during the hellenistic era. a. he estimated the circumference of the earth b. he created the pully and lever system c. he observed the earth is round d. he figured out how to determine the volume of any object using water e. he tried to find the causes of illness f. he created ethical standards for doctors to follow.

According to experts for every person killed outright by a nuclear blast four more would die later from the

Although the three-fifths compromise northern and southern states reach an agreement that allowed for ratification of the constitution, in the long run it had a negative effect on the nation because a) it gave too much power to the executive branch of the government. b) it forced the founding fathers to add the bill of rights to the constitution. c) it was only a temporary solution to the argument between "free" and "slave" states. d) it gave too much power to state governments and not enough to the federal government.

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.