What is the primary negative effect of dam-building

Which physical law states that all orbits are conic sections?

East asia’s is dominated by dry highlands and grasslands. a. north and east c. north and west b. south and east d. south and west

How do hearths affect cultural diffusion? a. a hearth is the destination of cultural diffusion. b. a hearth divides a cultural region in two. c. a hearth is the beginning point of cultural diffusion. d. a hearth is the means of cultural diffusion. e. a hearth is the meeting point of two diffuse cultures.