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
Answer: <u>A metal </u>is rare on Earth but relatively abundant in iron-rich meteorites. It has been found in widespread layers on Earth and it's date of deposition coincides with the major extinction of life on Earth 65 million years ago, possibly indicating a connection between a large impact and this extinction.
Explanation: That metal would be iridium
Answer:
Both cities are ports. located in Eastern part of the United States.
Explanation:
As we can see on the map, Boston is located on the Pacific Ocean. It is one of the most important ports on the Atlantic, even since the colonial period. On the other side, New Orleans, which lies much southern is a part located on the Mississippi River, near the Mexican Gulf.