the answer is: d. by presenting the ideas of others
Cultural diffusion refers to a situation when the idea/characteristic of a certain culture is mixed with the idea/characteristic of another culture.
When media presenting the ideas of others, that idea would be heard and absorbed by a lot of people at the same time and potentially be implemented into their own culture. This would create a cultural diffusion.
The answer is Syria and Lebanon
Aboriginal Origins from Dream, also known as Dreamtime, is a term coined by early anthropologists to refer to a religious and cultural worldview attributed to Australian Aboriginal beliefs.
Aboriginal was originally used by Francis Gillen, quickly adopted by his colleague Baldwin Spencer and later popularized by A. P. Elkin. The dream is used to represent aboriginal concepts of Everywhen, where the land is inhabited by ancestral characters, often those with heroic proportions or with supernatural abilities. These figures are often distinct from the gods, as they do not control the material world and are not revered but revered. The concept of Dreamtime and aboriginal has since been widely adopted beyond the original Australian context and has become part of global popular culture.
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D, disease. without clean water, they are subject to more germs and diseases leading to many deaths