What are the sources, uses, and any problems associated with
1) fossil,
2) nuclear, and
3) renewable fuels?
how did your results from the “build your proficiency” diagnostic reflect an understanding, or lack of understanding, about this content?

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.