The kyoto protocol works by
a. mandatory involvement
b. voluntary involvement
c. imposing trade restrictions on nonparticipating countries
d. offering monetary rewards to participating countries

While viewing a topographic map, you notice a region in which the contour lines are very close together. what can you conclude about this region? a. it has a high population. b. it has a steep incline. c. it's near a political boundary. d. it contains a body of water.