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 wasnt sure at first, but now that i see the hint: BI......Your answer is Bilingual
Fish farms because they don't have diamond mines in in Southeast Asia. and ive never heard of solar wind farms either. or palm oil plantations
NONE.
The Gobi desert encompasses Mongolia
The Arabian is located in the Arabian peninsula, Middle East.
The Sahara is the the northern Africa
The Atacama is located in Chile, South America.