The "jim crow" laws in the american south, which mandated separate facilities for whites and blacks, were an example of: a. assimilation. b. conflict theory. c. institutional discrimination. d. population transfer. e. individual discrimination.

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste