Answer:
A cultural hearth is the origin location of the cultural trait being spread through diffusion. Therefore, the role it plays in the diffusion of a cultural aspect is being the starting point. From that point on, it will either spread as hierarchical diffusion, stimulus diffusion, relocation diffusion, or expansion diffusion.
I think it is water ice snow
<span>Dangerous gushes that occur suddenly in canyons or gulches are known by this alliterative term which is the flash flooding. The alliterative term is a type of literary device which is repeating the first letter's sound. It is also the beginning of two syllables which are stressed. </span>
Flood control, house of living things and keep water purified
A. democracy
Explanation:
believe this is the answer :)