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:
there were several important cities that came into being as centers of trade and religion, such as Mecca, Medina (Yathrib), Karbala, and Damascus.
Explanation:
Answer: During the Warring States Period, nobles stopped supporting the Zhou Dynasty (1046–221 BC), and Zhou's vassal states declared themselves independent from Zhou, becoming kingdoms or warring states. Chu became the biggest state. It controlled the southern third of the entire region of the Warring States.
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The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.
Answer:
can you say the answer because i dont know ypi
