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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.
Cells containing chlorophyll give leaves their green color. They absorb from sunlight the energy that is used in transforming carbon dioxide and water to carbohydrates, such as sugars and starch. With the onset of Autumn, the daylight hours reduce, and temperatures fall the chlorophyll breaks down, the green color disappears, and other pigments become visible and give the leaves part of their fall splendor.
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.