The answer is D. The rainforest is important to life as a whole on the planet.
It was a old network of trade routes that were for centuries central to cultural interaction first through areas of Eurasia<span> connecting the </span>East<span> and </span>West<span> and all the way from the Korean peninsula </span><span>and Japan </span><span>to the Mediterranean Sea</span>
Cultural diffusion is the spread of cultural trends across locations. Beliefs, practices, and ideas get shared from person to person, and sometimes even around the world through this diffusion, as happens with viral videos. Many cultural practices are spread by a type of cultural diffusion called expansion diffusion.
