The role of trees in producing oxygen Trees play a vital role in producing oxygen, which is essential for all life on Earth. Oxygen is produced through the process of photosynthesis, which is the process by which plants convert light energy into chemical energy. During photosynthesis, trees absorb carbon dioxide from the air and release oxygen as a byproduct. The amount of oxygen produced by a tree depends on the tree's size and the amount of carbon dioxide it is able to absorb. In general, larger trees are able to produce more oxygen than smaller ones. Trees also produce more oxygen during the growing season, when they are actively photosynthesizing, and less during the dormant season. Trees are an important source of oxygen for the planet, and they are responsible for about 25% of the oxygen production on Earth. This is an essential role, as oxygen is necessary for all animals to breathe and for the proper functioning of many biological processes. Without oxygen, life on Earth ...
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