![](http://www.alamy.com/thumbs/6/8A083E02-5A0B-43AE-BA05-DF8580AD882D/2H55C91.jpg)
English Oak (Quercus robur), annual life cycle, of a deciduous tree leaf, foliage. Contents break down, return to earth to make earth soil top humus.
Size: 4480px × 6720px
Photo credit: © Joe Blossom / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: -cycle, annual, chemicals, chemistry, constituent, continues, continuity, cycle, deciduous, demise, destruction, earth, english, existence, fallen, foliage, form, future, humus, leaf, leaves, life, living, making, male, material, minerals, momentary, mother, oak, present, quercus, released, return, robur, shape, shed, soil, stage, surface, time, tree, underside, veins, water, year