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It's hard to overstate the importance of trees. Their appearance more than 300 million years ago was a turning point for Earth, helping transform its surface into a bustling utopia for land animals. Puzzle over six amazing photos showcasing the majesty of trees.
Dendroclimatology is the science of determining past climates and atmospheric conditions during different periods from trees, primarily properties of the annual tree rings. Tree rings are wider when conditions favor growth, narrower when times are difficult. Radiocarbon dating is used to estimate the age of living trees.
Play this puzzle with the Pics n Mix app!
Pics n Mix is quick and easy to learn, and the short video below explains everything you need to know.
Just choose a puzzle and click the Play button. Drag and drop the pieces to where you think they should be. If you have chosen "plus rotation" it means some of the pieces are flipped top to bottom or right to left. If you tap a piece once, it will flip from top to bottom. and if you double tap it, it will flip from left to right.