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Say goodbye to up-front commitments, unwanted leftovers & deadline fees.

Tree Ring yearbooks aren’t just less expensive for parents and students to buy, the software used to create them is completely free for a school to use. Ever struggle to make sure each student feels equally included in your yearbook? With Tree Ring, every student gets two free, uniquely printed pages, so they can fill their yearbook with photos and memories that might not otherwise make the cut.

This page does not attempt to cover the details of wood formation that make tree rings possible, but rather provides an overview of common wood characteristics and anomalies that you will need to identify when you are crossdating.

Variation in these rings is due to variation in environmental conditions when they were formed.

As plants and animals use the air, their tissues absorb some of the carbon-14.

After they die, they no longer absorb the carbon-14 and their tissues start to decay.

Right now, the oldest living tree in the world grows on the White mountains in California.

At first glance, it appears easy to date tree rings by just counting them, but reality is often more complicated than that.

Due to the sweeping and diverse applications of this data, specialists can come from many academic disciplines.

Use that office closet for more than storing old yearbooks.

Tree Ring eliminates waste by only printing as many books as ordered, but we also go one step further: we plant a tree for every yearbook sold.

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So, measuring the amount of carbon-14 in the fossil tells us about its age.

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