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The Burgess Shale contains the best record of Cambrian animal fossils. The location reveals the presence of creatures originating from the Cambrian explosion, an evolutionary burst of animal origins dating 545 to 525 million years ago. During this period, life was restricted to the world's oceans.
Explanation:
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I think the the answer is kaboost
A, it refers to people, like Californians, who move to the Pacific Northwest for a better quality of life.
The answer to the following question is A
