Answer:
Due to erosion.
Explanation:
An unconformity refers to a type of geologic contact that occurs boundary between rocks. The main causes of Unconformities is erosion, wears away rocks and rock deposits never form. The most common cause of unconformity is erosion in which the younger rocks spread on older rocks with the passage of time. In Cardenas layer, erosion is also occurs that leads to unconformity in that region which leads to the formation of boundaries in the rocks.
Answer:
Han?
Explanation:
If by civilizations you mean ethnic groups it would be the Han.
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Basically, the meteor caused there to be an increase of Carbon Dioxide, and less oxygen in the atmosphere :P I really hope this helps
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Answer:
The answer is "Option D".
Explanation:
The conquerors of Spain was mainly robbers. They tried to gain their shareholders land or riches and also to capture the treasuries and glory for natives of many other countries, Throughout the spread or execution of religion, they were also vital. For the Aztecs and Incas, it was a very chaotic period and Such disease also resulted in the death of millions and Spain could strike in its vulnerable state.
These two theories are related because they are continuity from one another. The theory of plate tectonics insinuates that the crust layer is broken into multiple pieces, this is caused by the pressure of the mantle layer, which managed to break the crust where it is thinner. The theory of continental drift insinuates that the tectonic plates move around the Earth because of the pressure from the hot semi-liquid mantle layer.
