Answer: c. Over the span of 10 to 1,000 years, groundwater behaves as a renewable resource.
Explanation:
.Africa
<span>2.Afghanistian </span>
<span>3.Russia </span>
<span>4.Mediterranean</span>
D. Appalachia would be the poorest
Answer:
d. Reverser Hierarchical
Explanation:
Expansion diffusion is said to be when a particular trend is spread from it originating point to another point. It might be relocation diffusion whereby a relocating resident share his idea and practice to his/her new residence.
Hierarchical diffusion occur when a new cultural practice is shared to another people. Like in the case of Africa's adapting to white pattern of dressing.
Contagious diffusion is a kind of virus trend like in Nigeria where a dance pattern is transfer to a neighboring country like Ghana.
Stimulus diffusion occur when a people adapt an idea from another and modify it. Example ping pong(Table tennis) originating from Asia and modified by another .
Reverser Hierarchical is not a form of expansion diffusion