Which of above boundaries can produce volcanoes

Which state in the united states founded the first true public zoo?

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.

Do you think that outside cultures have enriched or detracted from the cultures and peoples of the african continent? how so?