The tree is the lungs of the world. Because while we do different activities or even breathe in carbon dioxide out of the atmosphere. The tree is absorbed it. Let off oxygen. Trees help to prevent and relieve the symptoms of the disease, many kinds of diseases such as respiratory allergy disease stress, depression, and blood pressure. Research has confirmed that To see the trees, lush green, just a few minutes. It makes the mind made thereby, relax and blood pressure decreased. Moreover, the tree also helps retain moisture. The cool air can absorb harmful radiation in the air such as cactus can absorb radiation emitted from the computer screen. Or millionaires in the house, reduce air pollution effectively.
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