Why are some volcanoes explosive and other non-explosive?

According ti the following map, what are the most common mineral resources found in the united states?

What is the latitude and longitude (to the nearest degree) of the following cities? a. kansas city b. philadelphia c. reno d. minneapolis use the map to find the names of cities with the following coordinates. a. 30°n, 96°w b. 35°n, 95°w c. 26°n, 80°w d. 42°n, 88°w how many kilometers north of the equator is washington, dc? approximately how far north of houston is kansas city? use degrees of latitude to calculate your answer. show your work. which city is closer to greenwich, england: los angeles or xi’an, china (34°n, 109°e)? explain your answer. how many degrees of longitude separate las vegas from the international date line, which is at 180° longitude?

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.