Seriously need help. Please answer only if you know what you're talking about.

Facts/data/information/reason to prove the us is democratic

Carlos is looking at a picture of a convergent boundary on which a volcanic arc and a trench are identified. which type of convergent boundary is carlos looking st?

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor