List three autoimmune disorders and describe possible mechanisms of autoimmunity.

The term "jim crow" is used to describe which of these? a) bans on hunting b) segregation of the races c) preventing women from voting d) creating more public schools

Which of the following do scientists believe about homo sapiens?

Which of the following was not a characteristic of phoenician cities? a. they were located on islands. b. they had harbors on each side. c. they were built on land jutting out to the sea. d. they were surrounded by high stone walls and towers.