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What are growth rings and how are they made?

In: Science, Planet Saturn [Edit categories]

Answer:

Tree growth rings (and some other kinds like those of shells) are caused by the difference in growth during the different seasons: autumn and winter less growth, spring & summer more growth.

First answer by GregorS. Last edit by GregorS. Contributor trust: 294 [recommend contributor ]. Question popularity: 2 [recommend question].

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