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Chapter 1638 Anomalous annual rings
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... rs once a year.
In different regions, the boundaries of the annual rings have different definitions. In temperate regions, the boundaries of the annual rings are obvious. In tropical regions, the annual rings are not obvious due to the small climate change within a year, but they can also be distinguished.
In the tundra, the annual rings will be very clearly visible.
As we all know, the environmental conditions such as temperature and moisture in spring and summer are better ...
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