Explain the relationship between thermal convection in Earth's interior and plate tectonics. Use evidence and scientific vocabulary to support your response. (density, plate boundaries, convection currents, plate tectonics)

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.