What is responsible for the unusual ecosystem of the highlands? A. rivers and river movements
B. volcanoes and volcanic activity
C. plants and plant growth
D. oceans and ocean currents

In 1975, how did the united nations respond to the worldwide struggle for women's rights? a) issued a declaration of human rights that addressed gender inequality b) held its first international conference on women's status in the world c) wrote a resolution that encouraged nations to solve their own problems d) encouraged women to fight for their rights through rebellion and resistance