Concentric Rings Found in the Cross Section of the Wood

question 79

Multiple Choice

Concentric rings found in the cross section of the wood of trees are known as:

• A) summer rings.
• B) spring rings.
• C) annual rings.
• D) dendrochrons.
• E) pith rings.

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Definitions:

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A long-chain polymer of N-acetylglucosamine, a derivative of glucose, forming a hard, protective exoskeleton in arthropods and cell walls of some fungi.

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