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If a tree has 10 dark rings and 10 light rings, how old is the tree? 10 years 2 years 20 years 5 years
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If a tree has 10 dark rings and 10 light rings, how old is the tree? 10 years 2 years 20 years 5 years

User Kraf
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20 years old. Each ring signifies a year the tree has been alive
User Dmoo
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