Drawing from the ideas of the , John C. Calhoun argued that the states were the final arbiters of the constitutionality of federal laws.

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps

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

In witch form of government do delegates speak on behalf of citizens