The answer is layer one. It is on bottom, so it would be the oldest.
Answer: b. Expansion diffusion
Explanation:
Diffusion occurs when culture, ideas and people spread from their areas of origin into new regions, areas or continents.
Expansion diffusion is characterized by contact. For example, the people of new geographical locations are exposed to the teachings of a religion through contact with missionaries. Adoption of these religions outside their founding hearths may then occur. This is the same way that diseases are spread.
Answer:
The earth is broken into many pieces
Explanation:
A...twenty countries whose people share a common religion and cultural heritage
C...The worlds largest fresh water lake
D...China and England
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The climate is continental. cold winters and mild summers. hope this helped