A political border that is established by a physical geographic feature such as a mountain range or a river is a A. Natural boundary
B. Geometric boundary
C. Cultural boundary
D. Ethnic boundary

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

Why are nongovernmental organizations important? check all that applya. they are private institutions that aid the work of government.b. they often fill in gaps between government-funded services. c. they are private institutions that attack government policyd. they citizens by acting as watch dogs over elected officials

How would i answer this in a exam. orange - sea temperature is over 27 red arrows - tropical storm routes